Flomatic 149G Parts List

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SYLAX SERIES 149G BUTTERFLY VALVES

Wafer & Lug Type Butterfly Valve 2” through 12”

With 10 position lockable handle (2”-12”) or Gear Box (2”-12”)

Applications and features 05.30.2007 REV: 4

Designed for water supply, HVAC and general industries.

• Body types: wafer style with four centering lugs for easy installation.
Lug Style with drilled and tapped lugs for direct bolting to pipe flange.

• Epoxy coating: internally and externally.

• Ease of maintenance: interchangeable parts including discs, shafts,

and liners - simplifying service and reduces maintenance costs.

• Blow out proof shaft

• Spline driven one piece shaft connected to spherically machined

disc allows high torque transmission i.e. quick response with
minimum back-lash

• Floating disc design allows self centering -

preventing wear on the liner

• Tongue and groove seat design assuring long term tightness,
Bidirectional dead end service (lug style only).

• Extended service life with upper and lower anti-friction bearings

• Standard ISO top flange for direct mounting of actuator

• Lockable 10 positions handle

(2”-12” standard) or gear operation.

Technical features:

SYLAX

Simple, high
quality
construction

(

www.flomatic.com 15 Pruyn’s IslandDr, Glens Falls, New York 12801

Phone: [phone] Fax: [phone]

Description Material

Valve Body Cast Iron ASTM A126 Class GG25
Valve Disc Stainless Stl AISI 316 or Ductile IronGGG40 Nylon/Epoxy Coating
Valve Seat EPDM Standard or Buna-N and other seat material available
Valve Shaft Stainless Steel AISI 420, 316SS
Shaft Bushings PTFE lubricated plated steel
Top Flange ISO 5211 standards
Face to face API 609 table1 (ISO 5752 class 20, DIN 3202 part 3 K1 BS 5155 table6 col.4)
Pressure rating 200 PSI / 16 bar for ANSI 150 Flange
Temperature rating
(EPDM Seat Liner)

Min +14°F (-10°C) Max +230°F (+110° C)

Pneumatic
actuators

10-Position
Lockable Handle

Gear Box
with
H

l

SYLAX Model 149G Butterfly Valve

Dimensions

Wafer type

Side view

Lug type

Size

2’’

2 ½ ‘’

3’’
4’’
5’’
6’’

8’’
10’’
12’’

*Note: Cast iron body- ductile iron disc - EPDM liner. See other specification sheets for different types of SYLAX butterfly valve actuators.

DN

mm

50 2.44 6.77 1.69 7.87 4.80 5.00 .12 .91 7.5 8.8 4 5/8-11X 1½
65 2.75 7.13 1.81 7.87 5.39 5.51 .35 1.77 8.4 11.1 4 5/8-11X1¾

80 3.50 7.36 1.81 7.87 4.96 7.71 .33 1.81 8.8 12.2 4 5/8-11 X1¾
100 4.17 8.31 2.05 11.42 5.98 8.19 1.10 3.31 12.8 18.5 8 5/8-11 X1¾
125 4.72 8.90 2.20 11.42 7.17 9.53 1.30 4.37 17.2 21.7 8 3/4-10X2
150 5.2 9.41 2.20 11.42 8.11 10.63 1.79 5.43 18.1 26 8 3/4-10X2
200 6.46 11.54 2.36 17.72 10.43 13.19 2.71 7.54 36.6 50.8 8 3/4-9X2¼
250 7.87 12.56 2.68 17.72 12.52 15.75 3.66 9.76 51.2 61.8 12 7/8-9X2¼
300 9.37 13.50 3.07 17.72 14.61 17.95 4.37 11.54 68.4 93 12 7/8-9X2 ¾

A B C D E F M N

WEIGHT Lbs Bolt Requirement

Wafer Type Lug type # Bolts Size/UNC thread

Material specification

Item Qt Description Materials

1 1 Body
2 1 Disc
3 1 Shaft Stainless Steel AISI 420, 316SS
4 1 Liner (Standard)
5 1 Spring clip Stainless steel
6 1 “O”-Ring Nitrile
7 1 Bushing Glass filled Acteal
8 1 Metal tag Aluminium

9 1 Safety bushing SS 304 L
10 1
11 1
12 1 Cap
13 1 Hand lever
14 1 Lever
15 2 Cap screw Plated steel, SHCS
16 2 Stop washer Plated steel
17 2 Nut Plated steel
18 1 Pin Stainless steel
19 1 Spring Stainless steel

Upper guide bushing

Lower guide bushing

Cast Iron ASTM A126 Class GG25
Stainless Steel AISI 316 or Ductile Iron GGG40 Nylon

EPDM standard, Buna-N Optional and other material

PTFE on plated steel
PTFE on plated steel

Cast Iron ASTM A126 Class B FG25
Cast Iron ASTM A126 Class B FG25
Cast Iron ASTM A126 Class B FG25

Installation

Possible Possible Possible Not recommended

www.flomatic.com 15 Pruyn’s IslandDr, Glens Falls, New York 12801

Phone: [phone] Fax: [phone]