Description
Salient Features
Screwed Female Ends to IS 554 / BS 21 / ISO 7. Screwed in Bonnet.
Suitable for both Horizontal and Vertical Lines.
Permits flow in one direction and shuts automatically if the flow reverses. Disc is guided in Body as well as in Bonnet.
Chrome Finish.
Test Pressure (Hydrostatic) : Shell : 15 kg/cm²g (220 psig)
Seat : 10 kg/cm²g (150 psig)
Maximum Working Temperature : 90°C
Suitable For
Water, Oil
Materials
P.No. | Name of Part | Material of Construction | Specification | Quantity |
1 | Body | Forged Brass | IS 6912 Gr. FLB | 1 |
2 | Spring | Stainless Steel | Type 304 | 1 |
3 | Disc | Forged Brass | IS 6912 Gr. FLB | 1 |
4 | Disc Facing | Nitrile Rubber | IS 638 Type B | 1 |
5 | Bonnet | Forged Brass | IS 6912 Gr. FLB | 1 |
Sizes / Dimensions
Size (Inches) | Size (mm) | A ±1.5 | B |
1/2 | 15 | 46 | 1/2″ |
3/4 | 20 | 53 | 3/4″ |
1 | 25 | 56 | 1″ |
1 1/4 | 32 | 60 | 1 1/4″ |
1 1/2 | 40 | 65 | 1 1/2″ |
2 | 50 | 76 | 2″ |
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