SCI Fig. 378 Swing Check Valve – Flanged or Grooved
VC378-G(size DN) – Grooved
VC378-D/E(size DN) – Flanged
- Size Range: DN65 to DN300
- Pressure Rating: 175psi DM Fire Services & 350psi General Purpose
- Fire Services and General Purpose
- The Valve is Designed to Offer Positive Seating For Resistance Against Back Pressure or Back Flow and Preventing Reflux Surge in Line.
- Flange Conforms With ANSI B16.1, Class 125 – Drilled AS2129
- Fullport and Easy In – Line Servicing
- Replaceable Resilient Seat and Disc
- Lifting Lug On Cover
- Epoxy Coated Interal and External
- UL Listed
- FM Approved
Specification Sheets
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Description
SCI Fig. 378 Swing Check Valve – Flanged or Grooved Specifications
|
DN |
L |
Flanged |
a |
fS |
H |
H1 |
Approx. Wt. (kg) |
||||
|
fD |
fC |
fh |
n |
T |
|||||||
|
65 |
216 |
178 |
40 |
19.0 |
4 |
17.5 |
10 |
9.5 |
167 |
89.0 |
20 |
|
80 |
241 |
191 |
52 |
19.0 |
4 |
19 |
12 |
9.5 |
190 |
95.5 |
23 |
|
100 |
292 |
229 |
9 |
19.0 |
8 |
23.8 |
13 |
9.5 |
211 |
114.5 |
36 |
|
150 |
356 |
279 |
24 |
22.2 |
8 |
25.4 |
16 |
15.9 |
269 |
139.5 |
69 |
|
200 |
495 |
343 |
299 |
22.2 |
8 |
28.6 |
19 |
19.1 |
310 |
171.5 |
142 |
|
250 |
622 |
406 |
362 |
25.4 |
12 |
30.2 |
21 |
22.2 |
352 |
203.0 |
210 |
|
300 |
698 |
483 |
432 |
25.4 |
12 |
31.8 |
23 |
22.2 |
413 |
242.5 |
300 |
SCI Fig. 378 Swing Check Valve – Flanged or Grooved Material List
|
Part |
Material |
Specification |
| O-ring & cover gasket | Rubber (Buna N) | B2000 AA 7008 |
| Washer | Brass | B21 |
| Spacer | Bronze | B62 |
| Disc Nut & Stud | Brass | B21 |
| Cover Stud & Nut | Galvanised Steel | A307 grade B |
| Disc Seat Bolt/Hinge & Roll Pin | Stainless Steel | A276 Type 304 |
| Plug (A) | Brass | B21 |
| Body & arm bushing | Bronze | B62 |
| Disc seat ring | Rubber (Buna N) | B2000 AA 7008 |
| Body seat ring & seat holder | Bronze | B62 |
| Arm, Cover, Disc & Body | Cast Iron | A126 Class B |
