Danfoss AB‑QM Data sheet

Data sheet

Pressure Independent Control Valve AB‑QM,

½” thru 2” 2½” thru 4” 5” thru 10” Valve Size

Features and Benefits

The AB-QM temperature control valve provides pressure independent regulation of flow while also providing flow limiting system balance. The valve internally contains a unique differential pressure regulator which automatically adjusts to normal changes in system pressure from valves opening and closing or changing of pump speed. As a result of maintaining a constant pressure for the temperature control valve, valve authority is maintained at 100%. This allows for precise interaction with the temperature controller and unparalleled system operation as indicated by assuring the highest possible coil log mean temperature difference (∆T). The valve is easily set and adjusted to provide the precise flow required for each terminal unit. Design calculation and commissioning effort normally required for it's control and balance valves are virtually eliminated because of the built in automatic pressure control regulator. A wide selection of actuators are available for the AB-QM providing further control features for the valve, making it an ideal selection for the simplest of two position control strategies to the precision required for modulating control and variable speed pump optimization.

Features:

• AB-QM maintains a stable flow through its range of operation unaffected by changes in system differential pressure period. 100% valve authority allows lower pump head than traditional valves and reduces energy consumption which increases ∆T

• Three required valve functions; temperature control, balance and flow limitation in one compact valve design

• Flow parameter is the only consideration,

reducing valve selection engineering

• Constant flow regulation limitation through independent pressure balancing

• User adjustable flow setting for maximum flow limitation

• Maintains linear characteristic of flow when installed with a Danfoss proportional actuator. Actuator options with equal percentage flow characteristics.

Benefits:

• Flow will match the load

• Eliminate coil over flows

• Reduced installation time and materials

• Simple flow setting procedure; reduced time involved for field commissioning

• Valve allows maximum coil and system differential temperature drops for optimum efficiency

• Operation costs reduced as much as 90 % or more when properly applied with variable speed pumping

• "Plug and Play" for quick setup for balancing allowing immediate start up of unit

• Commissioning accomplished without use of specialized equipment

• Compact design allows installations in areas with limited space such as stand alone fan coils

Data sheet Pressure Independent Control Valve AB‑QM, ½” thru 2” 2½” thru 4” 5” thru 10” Valve Size

Technical Data:

Nominal Diameter ½” LF ½” HF ¾” HF 1” HF 1¼” H F 1½” 2”

Max flow (GPM) 1.2 5 7.5 12 17.5 33 55

Setting range

Diff. pressure (PSI)

2), 3)

2.3-60 5-60 4.4-60

20 -100 % 40 -100 %

Connection Male NPSM

Control valve characteristic

Control valve accuracy

Linear

± 5% of set point

Max. differential pressure

90 psi (6.2 bar)

(across the valve)

Max. close off pressure (regardless

232 psi (16 bar) 250 psi (17.2 bar)

of actuator)

Medium temperature

15 °F to 250 °F (−10 °C to 120 °C)

Allowable Fluid Water and secondary refrigerant additives such as glycol

Leakage Class 4, metal to metal

Nominal Diameter 2 ½” 3” 4” 5" 6” 8” 10" 2 ½” HF 3” HF 4” HF 5" HF 6" H F 8" HF 10" H F

Max flow (GPM) 85 120 165 395 640 830 1,235 110 176 260 485 830 1,100 1,60 0

Setting range

Diff. pressure (PSI)

Connection ANSI Flange (ANSI Standard B16.1)

2), 3)

4.4-60 8.7– 60

ISO Flange &

Gasket (ISO

Flange EN

1092-2)

40 -100 %

ANSI Flange (ANSI Standard B16.1)

ISO Flange &

Gasket (ISO

Flange EN

1092-2)

Connection rating ANSI Class 125

Control valve characteristic

Control valve accuracy

Linear

± 5% of set point

Max. differential pressure

90 psi (6.2 bar)

(across the valve)

Max. close off pressure (regardless

232 psi (16 bar)

of actuator)

Medium temperature

15 °F to 250 °F (−10 °C to 120 °C)

Allowable Fluid Water and secondary refrigerant additives such as glycol

Leakage Class 4, metal to metal

Factory se tting of the valve is done at 100%.

Regardless of t he flow limitations valve can mo dulate till 0.1% of the nomina l flow.

∆p = (P1–P3) min~max

According suitabili ty and usage especiall y in not oxygen tight syste ms please mind the instructio ns given by the coolant produce r. Available AB- QM valves with low minimum p in sizes ⁄” to 1⁄”. Contact Danfoss f or further informati on.

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Data sheet Pressure Independent Control Valve AB‑QM, ½” thru 2” 2½” thru 4” 5” thru 10” Valve Size

Ordering Information:

Code No. Size Max. Flow (GPM)

003Z1321 ½“ LF 1.2

003Z1332 ½“ HF 5

003Z1333 ¾“ HF 7.5

00 3Z1334 1“ HF 12

00 3Z1335 1 ¼“ HF 17. 5

AB-QM (⁄" - 1⁄") Without P/T Plug s

Contact Danfoss f or lower p valve bodies i n sizes from ⁄" to 1 ⁄”

AB- QM (2⁄"-4")

With P/T Plugs

AB -QM (1⁄"-2 ") With P/T Plugs

AB- QM (5"- 6") With P/T Plugs

003Z0780 1 ½“ 33.0

003Z0781 2" 55.0

Code No. Size Max. Flow (GPM)

003Z0783 2½" 85

003Z0784 3" 120

003Z0785 4" 165

003Z0905 5" 395

003Z0906 6" 640

003Z0707 8" 830

003Z0708 10" 1235

003Z0983 2½” H F 11 0

003Z0984 3" HF 176

003Z0985 4" HF 260

003Z0 915 5" HF 485

003 Z0916 6" HF 830

00 3Z07 17 8" HF 110 0

003 Z0718 10" H F 1600

Accessories

Code No. Description

003Z0695 Brass handle for AB- QM 1½" thru 4", required if without assembled motor ac tuator

003Z0696 Brass handle for AB- QM 5" thru 6", required if without assembled motor actuator

003Z0697 Brass handle for AB -QM 8" thru 10", required if without assembled motor actuator

003Z0230 Brass shut-off & protection cap, Max 232psi (16 bar) (for use with ½” to 1¼” AB-QM valve)

003Z0236

Note: For insulation k its contact Danfoss

Locking Ring - installed to inhibit the unintentional changing of the AB- QM valve setting, 5pcs. (for use with ½" to 1¼" AB-QM valve)

MNPT THREADED TAILPIECE KIT (two kits required per valve)

Code No. Size Connection Type Description

003Z0282 ½”

003Z0283 ¾”

003Z0284 1"

003Z0285 1¼"

003Z0286 1½"

003Z0287 2"

NPT (Male)

One Nut + One Tailpiece +

SWEAT TAILPIECE KIT (two kits required per valve)

Code No. Size Connection Type Description

003Z0292 ½”

003Z0293 ¾”

003Z0294 1"

003Z0295 1¼"

003Z0296 1½"

003Z0297 2"

Sweat (Female)

One Nut + One Tailpiece +

ISO FLANGES & GASKETS, for 8” & 10” VALVES (2pcs per valve)

Code No. Size Connection Type Description

D2576-16-200 8” ISO PN 16 ISO flat face slip on weld f lange, EN 1092-2

GASKET AB-QM 8 ” 8” Gasket 8" gasket for ISO flange

D2576-16-250 10" ISO PN 16 ISO flat face slip on weld flange, EN 1092-2

GASKET AB-QM 10" 10 " Gasket 10" gasket for ISO flange

One Gasket

AI194086469170en-US0401 | 3© Danfoss | 2022.03

Data sheet Pressure Independent Control Valve AB‑QM, ½” thru 2” 2½” thru 4” 5” thru 10” Valve Size

Electric Actuator

Selection Information:

Refer to electric actuator data sheet for further information.

For Valve Sizes ½" to 1¼"

Style Note Code No. Power

08 2F1150

ABN A5

AMI 120 NL-1

08 2F1151 • •

082F1154 • • •

08 2F1156

08 2F1157 • •

082H5003 24Vac • •

24Vac

120 Vac

AMV 120 NL-1 082H5005 24Vac • •

AME 13 SU-1

AME 13 SD-1

ABNM A5 (Equal Percentage)

ABNM A5 (Linear)

082H5006 24Vac • • • •

082H5007 24Vac • • • •

08 2F1163 24Vac • •

08 2F116 0 24Vac • •

08 2F116 5 24Vac • •

08 2F1161 24Vac • •

AME 120 NLX-1 082H5004 24Vac • •

Included required 003Z3960 adap ter

Included req uired spacer 003Z02 57

Require cable o rdered as separate Code no.

Input Signal

On/Off

Floating

Modulating

Feedback

• •

For Valve Sizes 1½" to 4"

Style Code No. Power

On/Off Floating Modulating Up Down

AME435 QM 08 2H017 1

AMV 435 082H0162 • •

AME 25SU

AME 25SD

Adapter requi red, ordered separately. Part # 0 03Z0694

082H3041 • • • •

082H3038 • • • •

24Vac

Input Signal

• •

Position

Feedback

Position

Safety Function

Up Down

For Valve Sizes 5" to 6"

Style Code No. Power

On/Off Floating Modulating Up Down

AM E 655-1 082H 5010

AME 658 SD-1 08 2H 5011 • • • •

24Vac

Input Signal

• • •

Position

Feedback

AME 658 SU-1 08 2H5012 • • • •

Safety Function

For Valve Sizes 8” to 10”

Style Co de No. Power

On/Oﬀ Floating Modulating

Input Signal

AM E 685 -1 0 82H5 013 24Vac • • •

Digital actu ators available, refer to N ovocon series data sheet for ABQM va lves for further inform ation.

Position

Feedback

Function

Safety

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Data sheet Pressure Independent Control Valve AB‑QM, ½” thru 2” 2½” thru 4” 5” thru 10” Valve Size

Application:

The AB-QM is a versatile device that can be used as an actuated or non-actuated balance valve / flow limiter. With an actuator mounted to the AB-QM valve, the assembly is a pressure independent control valve. Utilizing a proportioning controller, the AB-QM creates a robust and stable energy management sub system using only the required flow and energy to offset facility heat transfer gains and losses.

The integrated AB-QM differential pressure regulator virtually eliminates the problem of fluctuating pressures on control valve performance. The AB-QM regulator immediately reacts to all changes in system pressure creating the stability to make the valve flow and control predictable and controllers and valves work as intended. Energy is saved taking advantage of the greatly reduced amount of flow required for heat transfer of full valve authority for an air handling unit (AHU), fan coil, etc. With the AB-QM the required design flow to the AHU is met, subsequently simplifying the balancing of the system. Air handling units react quickly to changes in the building load and simple proportional control will not accurately regulate these systems. Using control integral action to adjust for this requires skill and extra commissioning to properly match the required

setting to the applications, sometimes over several seasons of operation. The AB-QM differential pressure regulator acts as an extra sub-master controller and makes tuning the main controllers easier and less time consuming. Smaller building HVAC sub-systems such as fan coil units, or terminal unit heating coils and newer modern designs such as chilled beams or radiant cooling panels greatly benefit from AB-QM application even when applied with simple thermostatic operation. No pressure calculations are required, valve authority doesn't need to be calculated and no calculations have to be performed to pre-set a balancing valve. If extra flow is determined to be required while tuning the installation, it's easy for the commissioning agent to reset the AB-QM for any flow up to the rated range of the valve. The HVAC units and controllers will benefit from greatly enhanced ability to control, with no overflow. AB-QM allows hydronic HVAC systems to achieve the green and sustainable performance envisioned by their designers and owners. Owners benefit in significant reductions in commissioning time, energy cost in operation from reduced flow and reduced complaints associated with improper temperatures within the building.

Minimum Pressure Drop

To verify that an installation functions according to the design specifications checking the critical valve in the installation is needed . The critical valve is the furthest valve away on the branch or loop and has the lowest available differential pressure. The AB-QM maintains a constant differential pressure across temperature control

valve and any excess pressure will automatically be throttled by the regulator. If there is not enough differential pressure the valve cannot reach the set flow. Therefore the critical valve must have the minimum differential pressure for the pressure regulator to properly operate, all prior AB-QM valves will function properly.

AI194086469170en-US0401 | 5© Danfoss | 2022.03

Data sheet Pressure Independent Control Valve AB‑QM, ½” thru 2” 2½” thru 4” 5” thru 10” Valve Size

Function

Differential Pressure Regulator

The AB-QM combines aspects of both a differential pressure controller for balancing and a temperature control into a single valve.

P1 Available Pressure P2 Regulated inlet pressure to temperature

control valve P3 Exit pressure of valve

Flow enters the valve through the differential pressure regulator, which maintains a constant pressure difference across the temperature control valve orifice. As entering pressure increases or decreases in reaction to changes in flow and pump speed in the piping system, the regulator diaphragm is balanced with the force of the spring keeping a constant pressure difference (P2-P3) between the water entering the temperature control valve and the leaving side of the valve. As a result the differential pressure across the temperature control valve (P2-P3) is at a constant level.

A nominal 5 psi differential is required from P1 to P3 for the valve and flow regulator operation. The regulator controls the range of system differential pressure to 60 psi (140 FOH). Under normal system operation such as in variable speed pumping, as system flow is reduced, controlled pump speed reduces the system differential pressure (head) of the pump. In constant speed pumping applications reductions in system flow may result in increased system differential pressure (head) of the pump.

Valve Operation / Design

AB-QM ⁄" - 1⁄ "

1. Stuffing box

2. Spindle

3. Plastic ring

4. Control valve plug

5. Diaphragm

6. Regulator spring

7. Regulator cone

8. Regulator seat

AB-QM 1⁄" - 2 "

1. Shut off screw

2. Main spring

3. Membrane

4. DP cone

5. Seat

6. Valve body

7. Control valves cone

8. Locking screw

9. Scale

10. Stuffing box

11. Spindle

AB-QM ⁄"- 1⁄"

AB-QM 1½"- 2"

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Data sheet Pressure Independent Control Valve AB‑QM, ½” thru 2” 2½” thru 4” 5” thru 10” Valve Size

Valve Operation / Design

(continuous)

AB-QM 2½"- 4"

1. Shut off screw

2. Main spring

3. Membrane

4. DP cone

5. Seat

6. Valve body

7. Control valve cone

8. Locking screw

9. Scale

10. Stuffing box

11. Spindle

AB-QM 5"-6"

1. Valve body

2. Valve seat

3. DPC cone

4. Cv cone

5. Controller casting

6. Rolling diaphragm

7. Adjusting screw

8. Bellow for pressure relief on DPC cone

AB-QM 2½"- 4"

AB-QM 5"-6"

AB -Q M 8”-10 ”

1. Valve body

2. Valve seat

3. DPC cone

4. CV cone

5. Controller casting

6. Rolling diaphragm

7. Adjusting screw

8. Bellow for pressure relief on

DPC cone

AB -QM 8 "-10"

AI194086469170en-US0401 | 7© Danfoss | 2022.03

Data sheet Pressure Independent Control Valve AB‑QM, ½” thru 2” 2½” thru 4” 5” thru 10” Valve Size

Control Valve Flow Coefficient and Characteristic, Cv

Flow Adjustment

STROKE

½"-11⁄" Sizes

Valve Stem Travel

100%

Q, C

The globe style temperature control valve has a linear characteristic allowing for application flexibility. The adjustment to the maximum flow alters the stem travel of the valve, yet this adjustment of the stem travel does not compromise the control performance. On-Off controls will cycle between full and no flow positions, and proportional control actuators upon reset will self calibrate to the new adjusted stem travel, and still utilize the entire input signal range. Maintaining a linear characteristic allows for the predictability required to characterize the control signal when needed in an application. Signal characterization is optimally done in the

controller, but may be done through an available actuator which allows matching to the terminal unit characteristic.

≠

10%

h+ 2 mm, DN 10-20 h+ 4 mm, DN 25-32

②

①

③

④

⑤

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Data sheet Pressure Independent Control Valve AB‑QM, ½” thru 2” 2½” thru 4” 5” thru 10” Valve Size

Flow Adjustment

(continuous)

1 ½"-4" Sizes

Max 25Nm

Note: 1 turn = 10%

For 1⁄" to 4" Valves:

Requires adjustment with crescent wrench or allen key.

5"-10" Sizes

–

Setting 60%

Note: 1 turn = 5.0 %

The setting of the flow limitation requirement of the valve is based upon a percentage of the maximum flow for the valve body.

Example:

Required flow rate: 100 GPM

Selected valve size: 4" Maximum flow (Q Therefore, 100/165 = 0.6 -> 60 %

Set the valve to 60 % to achieve 100 GPM through the valve.

Danfoss recommends a presetting range from 20 % to 100 %. Factory presetting is 100 %.

By turning the grey collar counter clockwise would increase while clockwise would decrease the flow. When valve is set to 80 % or more the red line becomes visible.

)= 165 GPM

max

–

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Data sheet Pressure Independent Control Valve AB‑QM, ½” thru 2” 2½” thru 4” 5” thru 10” Valve Size

Valve Authority

Valve authority can be generally defined as a measure of the change in differential pressure across a control valve during operation. This value is calculated by dividing the pressure drop of the control valve (∆p pressure drop of the control valve (∆p system (∆p coil, and other devices that become part of the

) it serves e.g. the pipes, fittings,

System

) by the sum of the

Valve

) and

system.





Valve





SystemValve

The calculated result is expressed as a percent ratio, with 100 % authority being an ideal scenario achieved in laboratory conditions. Within a lab, a constant differential pressure is maintained across the control valve and as a result an equal or linear relationship is achieved between the flow requirements and control valve's position. In reality in meeting the output requirements in a variable flow system the resulting reaction between the terminal and the control valve performance can be less than ideal. The dynamic variations (∆p) within the entire system e.g. other actuating control valves, create fluctuations to the differential pressure across the control valve resulting in a lower valve authority percentage. The lower the valve authority, the worse the controllability is between the terminal and control valve resulting in inconsistent room temperature.

The interaction of ∆p can significantly hinder the control valve's

on the control valve

System

effectiveness. The design of the AB-QM's internal differential pressure regulator address this by counteracting the inlet ∆p as a result a constant differential pressure across

fluctuations, and

System

the control valve is achieved.

With a constant differential pressure across the inlet and outlet of the control valve portion of the AB-QM, a more ideal scenario is approached. The result is the AB-QM valve assembly operates at 100 % valve authority.

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Data sheet Pressure Independent Control Valve AB‑QM, ½” thru 2” 2½” thru 4” 5” thru 10” Valve Size

Typical Specification

Revised Construction Specifications Institute standard numbering is utilized. The Specifier is advised to coordinate product provisions with other speciality specification areas as more than one may apply. The model for this specification and suggested placement is based on the "Unified Facilities Guide Specifications" downloadable form the Whole Building Design Guide web site (www.wbdg.org) and found under the "Documents & References" specifications library. The WBDG web site is offered as an assistance to the building community by the National Institute of Building Sciences (NIBS) through funding support of several US government agencies.

SECTION 23 09 13

INSTRUMENTATION AND CONTROL DEVICES FOR HVAC

PART 2 PRODUCTS

2.5 Automatic Control Valves

Valves shall have stainless-steel stems and stuffing boxes with extended necks to clear the piping insulation. Valves bodies shall meet ASME B16.34 or ASME B16.15 pressure and temperature class ratings based on the design operating temperature and 150 percent of the system design operating pressure.

Unless otherwise specified or shown, valve leakage shall meet FCI 70-2 Class IV leakage rating (0.01 percent of valve Kv). Unless otherwise specified or shown, valves shall be two way pressure independent globe-style bodies. Unless otherwise specified: a. bodies for valves 2 inches and smaller shall be

brass or bronze, with union ends

b. bodies for valves 2 to 3 inches shall be of

brass, bronze or iron.

c. bodies of valves 2½ inches and larger shall be

provided with flanged-end connections

d. valve and actuator combination shall be

normally open or normally closed as shown

2.5.7 Two-Way Pressure Independent Globe Valves

Two-way modulating valves used for liquids. The valve shall be two way globe style with integrated differential pressure control regulator. Where indicated modulating proportional valve application shall utilize controller or actuator to match required control signal to complement controlled coil heat transfer characteristic for linear control, the valve shall:

a. provide integrated pressure regulator;

regulator to control pressure across control valve orifice

b. provide regulator incorporating EPDM

diaphragm, stainless steel spring and pressure control disc. Pressure control seat shall be brass construction with vulcanized EPDM

c. provide counterbalance of supply pipe

pressure to return pipe pressure across diaphragm to prevent diaphragm damage when control valve is closed

d. provide user adjustable maximum flow within

valve control range; Adjustment method shall indicate percentage of valve flow range and utilize spring locked method of adjustment

e. regulate internal control valve differential

pressure to provide 100 % control valve authority

f. shall have linear flow characteristic g. provide back seated globe design to allow

service of packing under pressure without leakage

h. provide entering to leaving (P1-P3) pressure

control across valve ½" in size from 2.3-60 PSI

i. provide entering to leaving (P1-P3) pressure

control across valves ½"-1¼" in size from 5-60PSI

j. provide entering to leaving (P1-P3 pressure

control across valves 1½"-10" in size from 4-60PSI

k. provide entering to leaving (P1-P3) pressure

control across valves 2.5”HF -10”HF in size from 8.7-60PSI

l. provide union connections m. utilize stainless steel internal trim with brass

globe seat

n. utilize threaded actuator connection o. flow requirements shall be sized to provide

nominal body selection no more than one size smaller to corresponding nominal pipe connection a. ½" bodies shall be utilized for ½" pipe and

may be utilized for ¾" pipe connection and flow less than 5 GPM

b. ¾" bodies may be utilized for ¾" pipe and

may be applied to 1" pipe connection with flow less than 7.5 GPM

c. 1" bodies may be utilized for 1” pipe and

may be applied to 1¼" pipe connection with flow less than 12 GPM

d. 1¼"bodies may be utilized for 1¼" and

may be applied to 1½" pipe connection with flow less than 17.5 GPM

e. 1½" bodies may be utilized for 1½" pipe

and may be applied to 2" pipe connection with flows less than 33 GPM

f. flows less than 55 GPM may use 2" bodies g. flows less than 85 GPM may use 2½" bodies h. flows less than 120 GPM may use 3" bodies i. flows less than 165 GPM may use 4" bodies j. flows less than 395 GPM may use 5"bodies

Data sheet Pressure Independent Control Valve AB‑QM, ½” thru 2” 2½” thru 4” 5” thru 10” Valve Size

Typical Specification

(continuous)

k. flows less than 640 GPM may use 6" bodies l. flows less than 836 GPM may use 8” bodies m. flows less than 1232 GPM may use 10”

bodies

n. flows less than 110 may use 2 1/2”HF bodies o. flows less than 176 may use 3”HF bodies p. flows less than 260 may use 4”HF bodies q. flows less than 484 GPM may use

5”HF bodies

r. flows less than 836 GPM may use

6”HF bodies

s. flows less than 1100 GPM may use

8”HF bodies

t. flows less than 1629 GPM may use

10”HF bodies

2.5.8 Duct-Coil and Terminal-Unit-Coil; Hot and Chilled Water Systems

Control valves utilized for controlled flows shall be proportionally modulated. Control valve shall be integrated into coil assembly package. Coil assembly package shall conform to requirements of other common valves as specified in Section 23 05 15 Common Piping For HVAC. Coil assembly package shall:

a. provide integrated ball valve and wye pattern

strainer. Strainer shall be #20 mesh. Strainer valve shall provide pressure and temperature measurement port with integrated positive shutoff gland seal. Strainer valve shall have plugged ¼" female NPT accessory port. Strainer valve shall provide integrated ¼" ball drain valve with cap and common hose connection. Strainer valve shall provide integrated union connection and tailpiece. Strainer valve shall be provided to match flow requirements for connected control valve.

b. provide union connection entering and

leaving piping of coil. Union connection fitting shall include three accessory ¼" female NPT tapped ports for test and other HVAC devices. Provide pressure and temperature measurement ports with integrated positive shutoff gland seal in unions entering and leaving coil. Provide manual air vent in union leaving coil. Provide ¼" threaded plugs in all unused union ports. Provide union nut, tailpiece and o-ring seal, or appropriate connectors to flexible piping.

c. provide ball shutoff valve with integrated

union. Valve shall provide pressure and temperature measurement port with integrated positive shutoff gland seal. Valve shall have plugged ¼" female NPT accessory port. Provide union nut, tailpiece and o-ring seal, or appropriate connectors to flexible piping.

d. provide flexible piping for connection to coil.

Piping shall be configured such that unions are hard mounted to coil either directly or with elbows as appropriate to allow straight flexible connection without ninety degree change in direction. Flexible pipe shall be mounted between coil union and control valve or strainer valve.

Data sheet Pressure Independent Control Valve AB‑QM, ½” thru 2” 2½” thru 4” 5” thru 10” Valve Size

Dimensions

AB-QM ½"-1 ⁄"

Dimensions, inches (mm)

Valve t ype

½” LF

½” HF 3.18 (81)

¾”

¾” HF 3.26 (83)

1” HF

1¼” H F

2.56 (65)

3.23 (82)

4.09

(104)

5.12

(130 )

L1 + tailpieces

MNPT F. Solder

4.69 (119 )

5.6

(142)

6.82

(173 )

8.12

(206)

1.8

(45)

2.2

(56)

2.8

(71)

3.5

(90)

* Dimensions sho wn are approximated and sho uld be verified.

Contact With Water

Body Brass CuZn36Pb2As - CW 617N;

O-Ring EPDM Spring W.Nr.1.4568, W.Nr 1.4310; Stainless steel Cone (Pc) W.Nr.1.4305; Stainless steel Seat (Pc) EPDM Plug (Cv) CuZn40Pb3 - CW 614N; Wrought copper Seat (Cv) CuZn40Pb2 - CW 617N; Die forged brass Screw Stainless steel (A2) Flat NBR Sealing Agent Dimethacrylate Ester

Dezinc resistant brass

Weight

3. 11 (7 9)

3.18 (81)

3.5

(88)

4.02

(102)

0.98 ¾” NPSM 1.06 (0.50)

(25)

1.3

(33)

1.65

(42)

1.97

(50)

1” NPSM 1.43 (0.65)

1¼” N PSM 3. 20 (1.45 )

1½” N PSM 4. 87 (2.20)

lb (kg)

ABN A5, ABNM A5 + AB -QM

AMV (E) 120 NL(X)-1+ AB-QM

AMI 120 NL-1 + AB-QM

Valve t ype

Dimensions, inches (mm)

L L H H

½” 4. 33 (110 ) 4.57 (116) 4.25 (108) 5. 55 (141)

¾” 4.7 2 (120 ) 4.92 (12 5) 4 .41 ( 112) 5. 63 (143)

1” 5. 59 (142) 5.59 (142) 4. 88 (124) 6.10 (15 5)

1¼” 6.0 6 (154) 6. 30 (160) 5.35 (136) 6.54 (16 6)

Data sheet Pressure Independent Control Valve AB‑QM, ½” thru 2” 2½” thru 4” 5” thru 10” Valve Size

Dimensions (continuous)

AB-QM 1½"-2"

AME(V) 435 QM + AB- QM

Dimensions, inches (mm)

Valve t ype

1½” 4. 33 (110 ) 8 .3 0 ( 211) 7.28 (18 5) 7.69 (170 ) 6. 65 (174 ) 11.02 (280) 1½ - 11½ 13.22 (6.9 )

2” 5.11 (13 0) 9.40 (239) 8.70 (221) 7. 69 (17 0) 6.6 5 (174) 11.02 (280) 2 - 11½ 17.19 (7. 8)

L

L +

NPT

Tailpieces

L +

Solder

Tailpieces

H H H

(NPSM thread)

Contact With Water

Body Ductile iron EN-GJL-250 (GG25) Membrane EPDM Diaphragm EPDM O-Ring EPDM Springs W.Nr.1.4568, W.Nr.1.4310;

Cone (Pc) CuZn40Pb3 - CW 614N, W.Nr.1.4305;

Seat (Pc) W.Nr.1.4305; Stainless Steel Cone (Cv) CuZn40Pb3 - CW 614N;

Seat (Cv) W.Nr.1.4305; Stainless steel Screw Stainless Steel (A2) Flat Gasket NBR

Stainless Steel

Wrought copper, Stainless steel

Wrought copper

Weight

lb (kg)

Data sheet Pressure Independent Control Valve AB‑QM, ½” thru 2” 2½” thru 4” 5” thru 10” Valve Size

Dimensions (continuous)

AB-QM 2½"-4"

Valve t ype

2½” & 2½” HF 11 .42 (2 90) 8.66 (220) 6. 77 (17 2)

3" & 3”HF 12 .20 (310) 8.85 (225) 6. 96 (17 7)

4" & 4”HF 13 .78 (350) 9.44 (24 0) 7. 36 (187)

Dimensions, inches (mm)

L H H H

Contact With Water

Valve bodies Grey cast iron A4 8 No.35A Membranes EPDM Bellows EPDM O-rings EPDM Springs ASTM-631, ASTM-301 Cone (Pc) C37710. ASTM -303 Seat (Pc) ASTM-303 Cone (Cv) C37710 Seat (Cv) ASTM-303 Screw Stainless Steel (A2) Flat NBR

AME(V) 435 QM + AB-QM

(ANSI, B16.1)

12. 99 (3 30)

13.18 (335)

13.77 (350)

7.0 8 (18 0) 83.77 (38)

7.4 8 (19 0) 99.20 (45)

9.05 (230) 125.66 (57)

Weight

lb (kg)

Data sheet Pressure Independent Control Valve AB‑QM, ½” thru 2” 2½” thru 4” 5” thru 10” Valve Size

Dimensions (continuous)

AB-QM 5" AB-QM 6"

AME 655-1, AME658-1 + AB-QM 5"

Valve t ype

Dimensions, inches (mm)

AME 655-1, AME658-1 + AB-QM 6"

5” & 5” HF 15.74 (400 ) 10 .70 (272) 20.39 (518) 19.9 6 (507)

6” & 6” HF 18. 89 (48 0) 12 .12 (3 08) 18. 30 (465) 20.39 (518) 3 04. 23 (138)

a (Flange)

(ANSI, B16.1)

Weight

lb (kg)

187. 39 ( 85)

Contact With Water

Body Grey cast iron A48 No. 35A Membrane EPDM Diaphragm EPDM O-ring EPDM Springs ASTM-316N Cone (Pc) ASTM-316L Seat (Pc) ASTM- 420 Plug (Cv) ASTM-316L Seat (Cv) ASTM-420 Screw ASTM-1055 Flat Gasket Non asbestos

Data sheet Pressure Independent Control Valve AB‑QM, ½” thru 2” 2½” thru 4” 5” thru 10” Valve Size

Dimensions (continuous)

AB-QM 8" & 10"

Valve t ype

Dimensions, inches (mm)

8” & 8” HF 23.62 (600) 19.01 (4 83) 19. 01 (483)

10" & 10” HF 28.74 (730) 15 .62 ( 533) 20.98 (533)

Contact With Water

Body Ductile iron EN-GJL-250 (GG25) Membrane EPDM Diaphragm EPDM O-ring EPDM Springs W.Nr.4310; Stainless Steel Cone (Pc) W.Nr.1.4021; Stainless Steel Seat (Pc) W.Nr.1.4027; Stainless Steel Cone (Cv) W.Nr.1.4021; Stainless Steel Seat (Cv) W.Nr.1.4027; Stainless Steel Screw W.Nr.1.1181; Stainless Steel Flat Gasket Non asbestos

AME 685-1 + AB-QM 8" , 10"

a (Flange)

24. 33 (618)

27. 87 (7 08 )

(EN 1092-2)

13.38 (340) 482.81 (219)

15.94 (405) 753.98 (342)

Weight

lb (kg)

Data sheet Pressure Independent Control Valve AB‑QM, ½” thru 2” 2½” thru 4” 5” thru 10” Valve Size

Danfoss AB‑QM Data sheet

Specifications and Main Features

Frequently Asked Questions

User Manual