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Salient Features
*Screwed Female Ends to IS 554 / BS 21 / ISO 7.
*Piston operated, hence more reliable than conventional diaphragm type PRV.
*Compact size, easy to Install.
*Diaphragm-less, Piston Type.
*Demands low maintenance and virtually noiseless.
*Provided with Premium Quality Nitrile Rubber ‘O’Rings.
*Facility provided to install a pressure gauge of 1/4″ BSP size to gauge the critically
relevant outlet pressure.
* Designed to suit every application requiring accurate pressure ratings.
*All ‘O’ rings are of superior food grade material, hence ensuring absolute zero health
hazard.
Test Pressure (Hydrostatic) :
Shell : 35 bar
Maximum Upstream Pressure : 25 bar
Maximum Working Temperature : 80°C
NOTE : At maximum inlet pressure 25 bar, the minimum outlet pressure will be 5.5 bar.
Suitable For
Water
Materials
| P.No. | Name of Part | Material of Construction | Specification | Quantity |
| 1 | Plug | Forged Brass | IS 6912 Gr. FLB | 1 |
| 2 | O – Ring | Nitrile Rubber | IS 5192 – 1 | 1 |
| 3 | Bonnet | Bronze | IS 318 Gr. LTB 2 | 1 |
| 4 | Disc Holder | Bronze | IS 318 Gr. LTB 2 | 1 |
| 5 | Body | Bronze | IS 318 Gr. LTB 2 | 1 |
| 6 | Chamber | Bronze | IS 318 Gr. LTB 2 | 1 |
| 7 | Piston | Bronze | IS 318 Gr. LTB 2 | 1 |
| 8 | Disc | Nitrile Rubber | IS 5192 – 1 | 1 |
| 9 | Gasket | PTFE | – – – | 1 |
| 10 | O – Ring | Nitrile Rubber | S 5192 – 1 | 1 |
| 11 | O – Ring | Nitrile Rubber | S 5192 – 1 | 1 |
| 12 | Spring | Spring Steel | EN 47 Gr. B | 1 |
| 13 | Adjustable Ring | Bronze | IS 318 Gr. LTB 2 | 1 |
| 14 | Locking Ring | Bronze | IS 318 Gr. LTB 2 | 1 |
Sizes / Dimensions
| Size (Inches) | Size (mm) | A ±1.5 | B | C ~ | D ~ |
| 2 1/2 | 65 | 135 | 2 1/2" | 130 | 87 |
| 3 | 80 | 160 | 3" | 150 | 101 |
| 4 | 100 | 160 | 4" | 162 | 115 |
