Class 125 | Cast Iron Double Door Check Valve | ASTM A126-B | 2” to 24” | Wafer
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SSI products are engineered and manufactured to provide high-quality valves at competitive prices. SSI has successfully developed a reputation for manufacturing industry leading cast iron double door check valves.
As well as cast iron double door check valves, SSI also manufactures basket strainers, butterfly valves, triple duty valves, suction diffusers, y-strainers, foot valves utilizing state-of-the-art, computer controlled, automated machining equipment.
Cast Iron Double Door Check Valve
Product Description:
SSI manufactures cast iron double door check valves that are long-lasting, functional, cost-effective, and are well suited for commercial and industrial use. SSI cast iron double door check valves are suitable for a full range of steam, liquid, gas & oil, power, pulp & paper, process equipment, chemical, metal & mining and water & waste applications.
Dual disc cast iron double door check valves with wafer body style designed to ASME B16.1. The check valves feature an integral cast bumper and Buna-N resilient seats with bronze or stainless steel discs.
Features Include:
• Pressure rated to 200 PSIG
• Available in sizes of 2″ to 24″
• Resilient Buna-N seats
• Wafer body style fits between FF or RF flanges
• Independent springs optimizes plate closing rates while minimizing spring stress
• Temperatures to 250º F
• Teflon thrust washers
• Lifting lug tap on all valves 6″ and larger
• Seat design lifts then swings discs to minimize wear
End Connection:
• Wafer
Our SSI Cast Iron Double Door Check Valves have the following Build of Materials and Product Specifications:
| No. | Part Name | Materials |
|---|---|---|
| 1. | Body | A126-B Cast Iron |
| 2. | Discs | Al/Bz B148 C954 or 316SS A351-CF8M |
| 3. | Seat | Buna-N |
| 4. | Spring | 316SS |
| DIMENSIONS inches (mm) and WEIGHTS pounds (kg) | ||||||||||
| Size | A | B* | C1 | D | E | Stud Selection Qty.Dia.Length | Weight | |||
|---|---|---|---|---|---|---|---|---|---|---|
| 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) | |
| 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) | |
| 18 (450) | 8 (203) | 215/8 (549) | 17 (432) | 18 (457) | 6 (152) | 16 | 11/8 (29) | 141/2 (368) | 310 (140.7) | |
| 16 (400) | 71/2 (191) | 201/4 (514) | 15 (381) | 16 (406) | 51/4 (133) | 16 | 1 (25) | 131/2 (343) | 271 123.0) | |
| 14 (350) | 71/4 (184) | 173/4 (451) | 121/2 (318) | 14 (356) | 4 (102) | 12 | 1 (25) | 13 (330) | 205 (93.1) | |
| 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) | |
| 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) | |
| 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) | |
| 6 (150) | 3 (76) | 83/4 (222) | 6 (152) | 65/8 (168) | 15/8 (41) | 8 | 3/4 (19) | 8 (203) | 20 (9.8) | |
| 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) | |
| 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) | |
| 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) | |
| 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) | |
| 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) | |
All rights reserved. All valves information and its contents hereof are proprietary. Any unauthorized reproduction or disclosure, in whole or in part, is strictly prohibited. All valves materials, images, and data sheets in this catalogue/brochure is for general information and shall not be used for specific performance data and material selection without first consulting with ValvSource Equipment Ltd. ValvSource Equipment Ltd. reserves the right to change the enclosed valves information without notice. ValvSource Equipment Ltd. does not accept any liability or damages arising from the use of any valve information within this website. All trademarks and registered trademarks are owned by their respective companies.
SSI Products Catalogue
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 almost 15 years, ValvSource Equipment has continually committed itself to offer the best cast iron double door check valve products to meet a wide range of applications and requirements.
As an industry leader, ValvSource Equipment has your perfect cast iron double door check valves solution. Our success in the valves industry is attributed to our customer-centric team of sales personnel, engineers, and trained staff that are collectively committed to providing quality products at a price you would come to expect.
To find your perfect valve solution, please call ValvSource Equipment today or email us at [email protected].
