Needle Valves : Series - BS99
(For High pressure Applications)FEATURES
- Available in SS316, all wetted parts in accordance with NACE MR01-75.
- Heat Code Traceable to certified material test report
- Low operating torque
- Bar Stock Body in Straight Pattern, Panel mountable
- Anti Blow-out stem provides positive back seal in full open position.
- Variety of stem tips to provide greater flexibility
- Orifice size : 0.156" (4mm) and 0.250" (6.4mm)
- Flow coefficients (Cv) from 0.35 to 0.86
- Variety of end configurations includes Male/Female NPT, BSP, BSPT pipe connections.
- Every valve is factory tested.
OPERATING PARAMETERS
- Pressure Rating : Upto 10,000 psig (680 bar) at CWP
- Temperature Rating :
- Upto120ºC (depend on O-ring seal)
APPLICATION
- General Plant Service
- Hydraulic and Pneumatic
- Pressure measurement devices
- Venting
MATERIAL OF CONSTRUCTIONS
| No. | Component | Material |
| 1 | Bar Handle | SS316 |
| 2 | Set Screw | SS316 |
| 3 | Stem | SS316 |
| 4 | Bonnet | SS316 |
| 5 | 'O' Ring | Viton® |
| 6 | Back-up Ring | PTFE |
| 7 | Washer | SS316 |
| 8 | Bonnet Safety Pin | SS316 |
| 9 | Panel Nut | SS316 |
| 10 | Dust Cap | Nylon |
| 11 | Valve Body | SS316 |
O' RINGS
| 'O' Ring Material | Temperature Rating °F(°C) |
| Buna - N | -10 to 250 (-23 to 121) |
| EPDM | -77 to 250 (-55 to 121) |
| Vitonâ(Fluorocarbon) | -10 to 375 (-23 to 121) |
TESTING
- Standard Test: Each valve is factory tested with nitrogen at 1000 psig (69 bar) for leakage at the seat and packing.
- Optional Hydrostatic test : This test is performed with de-ionised water at 1.5 time the working pressure.
STANDARD CONFIGURATION DIMENSIONS
| End Connections | Orifice | Cv | Dimensions (mm) | Ordering Number | ||||||
| Inlet | Outlet | A | B | E | F | G | H (Open) | |||
| 1/4" Female NPT | 1/4" Female NPT | 4.3 | 0.37 | 57.2 | 28.6 | 12.7 | 52.5 | 15.1 | 70 | BS99-FF4N |
| 3/8" Female NPT | 3/8" Female NPT | 6.4 | 0.86 | 60.4 | 30.2 | 14.3 | 63.5 | 19.9 | 73 | BS99-FF6N |
| 1/2" Female NPT | 1/2" Female NPT | 6.4 | 0.86 | 66.6 | 33.3 | 15.9 | 63.5 | 19.9 | 76.2 | BS99-FF8N |
| 1/4" Male NPT | 1/4" Female NPT | 4.3 | 0.37 | 57.2 | 28.6 | 12.7 | 52.5 | 15.1 | 70 | BS99-MF4N |
| 3/8" Male NPT | 3/8" Female NPT | 6.4 | 0.86 | 60.4 | 30.2 | 14.3 | 63.5 | 19.9 | 73 | BS99-MF6N |
| 1/2" Male NPT | 1/2" Female NPT | 6.4 | 0.86 | 69.8 | 34.9 | 15.9 | 63.5 | 19.9 | 76.2 | BS99-MF8N |
| 1/4" Male NPT | 1/4" Male NPT | 4.3 | 0.37 | 57.4 | 28.6 | 12.7 | 52.5 | 15.1 | 70 | BS99-MM4N |
| 3/8" Male NPT | 3/8" Male NPT | 6.4 | 0.86 | 60.4 | 30.2 | 14.3 | 63.5 | 19.9 | 73 | BS99-MM6N |
| 1/2" Male NPT | 1/2" Male NPT | 6.4 | 0.86 | 69.8 | 34.9 | 15.9 | 63.5 | 19.9 | 76.2 | BS99-MM8N |
Dimensions are for reference only and are subject to change.