Control Products 600WTCT User Manual
DOUBLE DOOR
CHECK VALVES
- 190 -
● ASME Class 600 rated check valves
● Wafer body style fits between FF or RF flanges
● Upper and lower SS thrust washers
● Resilient Buna-N , Viton and metal seats
● Seat design lifts then swings discs to minimize seat
wear
● Shock bumpers minimize stresses in hinge pins
● Independent springs optimizes valve plate closing
rates while minimizing spring stress
● Dual ratings 2"-3" 150#, 300# and 600#.
MODELS
● 600WTCT – Cast Steel Body, Stainless Steel Disc, Buna Seat
● 600WTTT – Stainless Steel Body, Stainless Steel Disc, Metal or Viton
Seats
O
PTIONS
(Consult Factory)
● EPDM Seats
● Other Spring Material
A
PPLICABLE CODES
●ASME B16.34 ratings
● API 594
● API 598
Canadian Registration - OC10274.5C
600WT SERIES
CAST STEEL AND STAINLESS STEEL
DOUBLE DOOR CHECK VALVES
P
RESSURES TO 1480 PSIG (101.9 BARG)
T
EMPERATURES TO 600ºF (316ºC)
APPLICA TIONS
● Liquid and Air Service
● Process Industry
● Power Industry
● Chemical Industry
● Oil & Gas
● Pulp & Paper
● Metal & Mining
● Water & Waste
0200-600WTTTV-T
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Inlet Size Dash Model Seat Dash Spring
600WT Series Ordering Code
Inlet Size* - Position 1 - 4
0200 - 2"
0250 - 2
1
⁄2"
0300 - 3"
Dash - Position 5
Model - Position 6 - 12
300WTCT - CS Body
300WTTT - SS Body
Seat** - Position 13
B - Buna-N (CS Body only)
M - Metal (SS Body only)
V - Viton (SS Body only)
Dash - Position 14
Spring - Position 15
T - SS
* For sizes 2”, 21⁄2”, 3”
600WT check valves fit
between all ANSI 150#,
300# & 600# class flanges.
PRESSURE/TEMPERATURE CHART
ASME B16.34
** 600WTCT - Buna-N seat only,
600WTTT - Viton or Metal seat
Buna Seats
Viton Seats
EPDM Seats
Metal Seats
DOUBLE DOOR
CHECK VALVES
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Connections: 2" to 3"
Wafer Flanged
600WT SERIES
CAST STEEL AND STAINLESS STEEL
DOUBLE DOOR CHECK VALVES
SPECIFICATION
Check Valve shall be dual disc design with Cast Steel or Stainless Steel Body
wafer body style designed to ASME B16.34 and API 594. The check valve shall
have an integral cast bumper and Buna-N or Viton resilent seats with SS discs.
The check valve shall be ASME Class 600 rated. The spring shall be 316SS. The
seat design shall lift then swing discs to minimize seat wear . The check valve shall
be SSI 300WT Series.
M
ATERIALS OF CONSTRUCTION
Part Carbon Steel Stainless Steel
Body A216-WCB A351-CF8M
Discs A351-CF8M A351-CF8M
Seat Buna-N Viton or Metal
Spring 304 SS 304 SS
CRACKING PRESSURE
Horizontal Mounting - .3psid
Vertical Mounting - .75 to 1.25 psid
Seats:
CS Body - 2" to 3" Buna-N
SS Body – 2" to 3" Viton or Metal
Size A
1
B* C
2
DE
STUD SELECTION
Weight
Qty. Dia. Length
150#
23⁄8
4
1
⁄8
—
23⁄8
—
4
5/8
6
6
2
3
(60)
(105)
(60) (15.9) (152) (2.7)
(50)
300#/ 23⁄8 43⁄8
—
23⁄8
—
8 5/8 67⁄8 6
600#
(60) (111) (60) (15.9) (175) (2.7)
21⁄2
3
150#
25⁄8 47⁄8 2 3 1/4 4 5/8 61⁄4 10
(67) (124) (51) (77) (6) (15.9) (159) (4.5)
(65) 300#/ 25⁄8 51⁄8 2 3 1/4 8 3/4 71⁄2 10
600#
(67) (130) (51) (77) (6) (19) (190) (4.5)
150#
27⁄8 53⁄8 23
1
⁄2 1/4 4 5/8 7 13
3
3
(73)
(137)
(51) (89) (6)
(15.9)
(178) (5.9)
(80)
300#/ 27⁄8 57⁄8 23
1
⁄2 1/4 8 3/4 81⁄8 13
600#
(73) (149) (51) (89) (6) (19) (207) (5.9)
1. Dimensions in accordance with API 594.
2. Minimum diameter of companion flanges.
3. 300WT and 600WT are interchangeable, use 600WT for both applications.
Dimensions are subject to change. Consult factory for certified drawings when required.
* Add the “B” dimension and the diameter of the stud to achieve the ANSI B16.5 bolt hole
circle diameter.
DIMENSIONS inches (mm) AND WEIGHTS pounds (kg)
B
DC
A
E
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