Salient Features
- ✔ Screwed Female Ends to IS 554 / BS 21 / ISO 7.
- ✔Material – Full brass forged body & NBR Seal
- ✔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.
- ✔ Natural Brass Finish
Test Pressure (Hydrostatic)
- ✔ Shell: 15 kg/cm2g (220 psig)
- ✔ Seat: 10 kg/cm2g (150 psig)
- ✔ Maximum Working Temperature: 100°C
- ✔ SUITABLE FOR : Water, Oil.
Material Specification
| Part |
Name of Part |
Material |
Qty |
| 1 |
Body |
Forged Brass CW614N |
1 |
| 2 |
Spring |
Stainless Steel |
1 |
| 3 |
Disc |
Brass CW614N |
1 |
| 4 |
Disc Washer |
NBR |
1 |
| 5 |
Bonnet |
Forged Brass CW614N |
1 |
Sizes / Dimensions
| Part |
Name of Part |
Material |
Qty |
| 21015FF |
1/2″(15mm) |
46 |
1/2″ |
| 21020FF |
3/4″(20mm) |
50 |
3/4″ |
| 21025FF |
1″(25mm) |
52 |
1″ |
| 21032FF |
1.1/4″(32mm) |
64 |
1.1/4″ |
| 21040FF |
1.1/2″(40mm) |
72 |
1.1/2″ |
| 21050FF |
2″(50mm) |
76 |
2″ |
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