Class 300 | ASTM A216 | 2” to 12” | Wafer | Carbon Steel Double Door Check Valves
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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 carbon steel double door check valves.
As well as carbon steel 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.
300WT Double Door Check Valve
Product Description:
SSI manufactures carbon steel double door check valves that are long-lasting, functional, cost-effective, and are well suited for commercial and industrial use. SSI carbon steel 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 carbon steel double door check valves with wafer body style designed to ASME B16.34 ratings and API 594. The check valves feature an integral cast bumper and Buna-N or Viton resilient seats with stainless steel discs.
Features Include:
• Pressure rated to 740 PSIG
• Temperatures to 600º F
• Available in sizes of 2″ to 12″
• Resilient Buna-N and Viton seats
• Upper and lower stainless steel thrust washers
• Lifting lug tap on all valves 6″ and larger
• Wafer body style fits between FF or RF flanges
• Shock bumpers minimize stresses in hinge pins
• Seat design lifts then swings discs to minimize wear
• Dual rating 2″-3″ 150#, 300# and 600# Classes
• Dual ratings 4″ 150# and 300# Classes
• Independent springs optimizes plate closing rates while minimizing spring stress
End Connection:
• Wafer
Our SSI Carbon Steel Double Door Check Valves have the following Build of Materials and Product Specifications:
| No. | Part Name | Carbon Steel |
|---|---|---|
| 1. | Body | A216-WCB |
| 2. | Discs | A351-CF8M |
| 3. | Seat | Buna-N |
| 4. | Spring | 304 SS |
| DIMENSIONS inches (mm) and WEIGHTS pounds (kg) | ||||||||||
| Size | A | B* | C2 | D | E | Stud Selection Qty.Dia.Length | Weight | |||
|---|---|---|---|---|---|---|---|---|---|---|
| 23 (50) | Use 2″ 600WT 300# on page 191 | |||||||||
| 21/23 (66) | Use 21/2″ 600WT 300# on page 191 | |||||||||
| 33 (80) | Use 3″ 600WT 300# on page 191 | |||||||||
| 44 (100) | 150WT | 27/8 (73) | 67/8 (175) | 33/8 (86) | 41/2 (114) | 3/4 (19) | 8 | 5/8 (16) | 7 (178) | 18 (8.2) |
| 300WT | 27/8 (73) | 71/8 (181) | 33/8 (86) | 41/2 (114) | 3/4 (19) | 8 | 3/4 (19) | 81/8 (207) | 18 (8.2) | |
| 6 (150) | 37/8 (99) | 97/8 (251) | 53/8 (137) | 65/8 (168) | 13/8 (35) | 12 | 3/4 (19) | 95/8 (245) | 44 (20.0) | |
| 8 (200) | 5 (127) | 121/8 (308) | 73/8 (187) | 85/8 (219) | 2 (51) | 12 | 7/8 (22) | 111/4 (286) | 75 (35.0) | |
| 10 (250) | 53/4 (146) | 141/4 (362) | 91/2 (241) | 103/4 (273) | 27/8 (73) | 16 | 1 (25) | 123/4 (324) | 123 (55.8) | |
| 12 (300) | 71/8 (181) | 165/8 (422) | 111/4 (286) | 123/4 (324) | 33/8 (86) | 16 | 11/8 (29) | 145/8 (372) | 196 (89.0) | |
SSI Products Catalogue
Download more in-depth technical specifications for our line of carbon steel double door check valves by clicking on any of the above literature thumbnails.
For almost 15 years, ValvSource America has continually committed itself to offer the best carbon steel double door check valve products to meet a wide range of applications and requirements.
As an industry leader, ValvSource America has your perfect carbon steel 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 contact ValvSource America today at 1 (877) 683-2200 or by email at [email protected].