SSI Stainless Steel Double Door Check Valves

Stainless Steel Double Door Check Valves

Class 150   |   ASTM A351   |    2” to 12”   |    Wafer   |    Stainless Steel Double Door Check Valves

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SSI Stainless Steel Double Door Check Valves Class 150 Wafer Image
SSI Stainless Steel Double Door Check Valves Class 150 Wafer logo

SSI products are engineered and manufactured to provide high-quality valves at competitive prices. SSI has successfully developed a reputation for manufacturing industry leading stainless steel double door check valves.

As well as stainless 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.

150WT Double Door Check Valve

Product Description:
SSI manufactures stainless steel double door check valves that are long-lasting, functional, cost-effective, and are well suited for commercial and industrial use. SSI stainless 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 stainless steel double door check valves with wafer body style designed to ASME B16.34 and API 594. The check valves feature an integral cast bumper and Buna-N, Viton or metal seats with stainless steel discs.

Features Include:
• Pressure rated to 285 PSIG
• Temperatures to 600º F
• Available in sizes of 2″ to 12″
• Resilient Buna-N, Viton and metal seats
• Upper and lower stainless steel thrust washers
• 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

SSI Stainless Steel Double Door Check Valves Class 300 Wafer Technical Drawing

Our SSI Stainless Steel Double Door Check Valves have the following Build of Materials and Product Specifications:

No. Part Name Stainless Steel
1. Body A351-CF8M
2. Discs A351-CF8M
3. Seat Viton or Metal
4. Spring 304 SS
DIMENSIONS inches (mm) and WEIGHTS pounds (kg)
Size A1 B* C2 D E Stud Selection
Qty.Dia.Length
Weight
23
(50)
Use 2″ 600WT-150# on page 191
21/21
(66)
Use 21/2″ 600WT-150# on page 191
33
(80)
Use 3″ 600WT-150# on page 191
44
(100)
Use 4″ 300WT-150# on page 187
6
(150)
37/8
(99)
83/4
(222)
53/8
(137)
65/8
(168)
13/8
(35)
8 3/4
(19)
81/4
(210)
35
(15.9)
8
(200)
5
(127)
11
(279)
73/8
(187)
85/8
(219)
2
(51)
8 3/4
(19)
93/4
(248)
70
(31.8)
10
(250)
53/4
(146)
133/8
(340)
91/2
(241)
103/4
(273)
27/8
(73)
12 7/8
(22)
11
(279)
114
(51.8)
12
(300)
71/8
(181)
161/8
(410)
111/4
(286)
123/4
(324)
33/8
(86)
12 7/8
(22)
121/4
(311)
180
(81.8)
SSI Stainless Steel Double Door Check Valves Class 150 Wafer Brochure

Product Brochure

Download more in-depth technical specifications for our line of stainless 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 stainless steel double door check valve products to meet a wide range of applications and requirements.

As an industry leader, ValvSource America has your perfect stainless 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]

“I couldn’t believe ValvSource could get us high quality ball and check valves for such a competitive price!”
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