Cast Iron Double Door Check Valve   |   Class 125   |   Wafer   |   2″ to 24″  |  ASTM A126-B
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Delivering high-quality valves that are competitively priced, SSI has successfully established a long-standing reputation for manufacturing industry leading cast iron double door check valves.
In addition to developing some of the best double door check valves, SSI also manufactures triple-duty valves, suction diffusers, and check valves utilizing the latest computer controlled, state-of-the-art automated systems.
Cast Iron Double Door Check Valve
Product Description:
As a leading manufacturer of the double door check valve, SSI delivers long-lasting, cost effective valves that are well suited for industrial and commercial use. SSI cast iron double door check valve is the perfect solution to a full range of liquid, steam, gas, and water applications.
Features Include:
• Independent springs optimizes plate closing rates while minimizing spring stress
• Seat design lifts then swings discs to minimize wear
• Wafer body style fits between FF or RF flanges
• Lifting lug tap on all valves 6″ and larger
• Resilient Buna-N seats
• Teflon thrust washers
• Available in sizes of 2″ to 24″
• Temperatures to 250º F
• Pressure rated to 200 PSIG
End Connection:
• Wafer
Below is the SSI Cast Iron Double Door Check Valve Build of Materials and Product Specifications:
| No. | Materials | Part Name |
|---|---|---|
| 1. | A126-B Cast Iron | Body |
| 2. | Al/Bz B148 C954 or 316SS A351-CF8M | Discs |
| 3. | Buna-N | Seat |
| 4. | 316SS | Spring |
| DIMENSIONS inches (mm) and WEIGHTS pounds (kg) | ||||||||||
| Size | A | B* | C1 | D | E | Stud Selection Qty.Dia.Length |
Weight | |||
|---|---|---|---|---|---|---|---|---|---|---|
| 2 (50) |
21/8 (54) |
41/8 (105) |
2 (51) |
23/8 (60) |
1/8 (3) |
4 | 5/8 (16) |
51/2 (140) |
3 (1.4) |
|
| 2.5 (65) |
21/8 (54) |
47/8 (124) |
21/2 (64) |
27/8 (73) |
1/2 (13) |
4 | 5/8 (16) |
6 (152) |
5 (2.3) |
|
| 3 (80) |
21/4 (57) |
53/8 (137) |
3 (76) |
31/2 (89) |
5/8 (16) |
4 | 5/8 (16) |
61/4 (159) |
8 (3.6) |
|
| 4 (100) |
21/2 (64) |
67/8 (175) |
4 (102) |
41/2 (114) |
1 (25) |
8 | 5/8 (16) |
61/4 (159) |
13 (5.9) |
|
| 5 (125) |
23/4 (70) |
73/4 (197) |
5 (127) |
51/2 (140) |
11/4 (32) |
8 | 3/4 (19) |
7 (184) |
16 (7.3) |
|
| 6 (150) |
3 (76) |
83/4 (222) |
6 (152) |
65/8 (168) |
15/8 (41) |
8 | 3/4 (19) |
8 (203) |
20 (9.8) |
|
| 8 (200) |
33/4 (95) |
11 (279) |
8 (203) |
85/8 (219) |
23/8 (60) |
8 | 3/4 (19) |
91/2 (241) |
37 (16.8) |
|
| 10 (250) |
41/4 (108) |
133/8 (340) |
10 (254) |
103/4 (273) |
3 (76) |
12 | 7/8 (267) |
101/2 (267) |
57 (25.9) |
|
| 12 (300) |
55/8 (143) |
161/8 (410) |
12 (305) |
123/4 (324) |
37/8 (99) |
12 | 7/8 (22) |
121/4 (311) |
93 (42.2) |
|
| 14 (350) |
71/4 (184) |
173/4 (451) |
121/2 (318) |
14 (356) |
4 (102) |
12 | 1 (25) |
13 (330) |
205 (93.1) |
|
| 16 (400) |
71/2 (191) |
201/4 (514) |
15 (381) |
16 (406) |
51/4 (133) |
16 | 1 (25) |
131/2 (343) |
271 123.0) |
|
| 18 (450) |
8 (203) |
215/8 (549) |
17 (432) |
18 (457) |
6 (152) |
16 | 11/8 (29) |
141/2 (368) |
310 (140.7) |
|
| 20 (500) |
83/8 (213) |
237/8 (606) |
19 (483) |
20 (508) |
67/8 (175) |
20 | 11/8 (29) |
151/4 (387) |
377 (171.2) |
|
| 24 (600) |
83/8 (222) |
281/4 (718) |
223/4 (578) |
24 (610) |
81/4 (210) |
20 | 11/4 (32) |
161/4 (413) |
551 (250.2) |
|
SSI Check Valves Brochure
Download more in-depth technical specifications for our line of cast iron double door check valves by clicking on any of the above literature thumbnails.
For nearly 20 years, Elite Valve has committed its efforts in offering simply the best double door check valve to meet a wide range of project requirements and applications.
We are the valve industry’s leader of the double door check valve. As a customer-centric organization, we attribute our success to our sales personnel, engineers and trained staff who are here to help you with all your valve needs.
Looking for your perfect double door check valve solution? Contact Elite Valve today via email at [email protected] or by calling us toll-free at 1 (888) 339-7758.