Bronze Needle Valve (Screwed)
Screwed · Air, Gases
Shell 24 kg/cm²g (340 Max 225°C
Overview
Bronze Needle Valve (Screwed) for air, gases service. End connection: screwed. Refer to bill of materials and dimensions below for full technical specification.
Salient Features
- Screwed Female Ends to IS 554 / BS 21 / ISO 7
- Screwed in Bonnet, Inside Screw, Rising Stem, Integral Seat
- Designed sheet metal handwheel for a firm grip and convenient operation
- Needle Type Spindle Seating
- Premium Quality PTFE Gland Packing
- Medium Pattern
Test & Service Limits
| Test / Parameter | Value |
|---|---|
| Hydrostatic shell test | 24 kg/cm²g (340 psig) |
| Hydrostatic seat test | 16 kg/cm²g (225 psig) |
| Maximum working temperature | 225°C |
Service media: Air, Gases.
Bill of Materials
| P.No. | Part | Material | Specification | Qty. |
|---|---|---|---|---|
| 1 | Screw / Bolt | Carbon Steel | (Zinc Plated) – – – | 1 |
| 2 | Washer | Carbon Steel | (Zinc Plated) – – – | 1 |
| 3 | Handwheel Sheet Metal (Powder Coated) – – – 1 | — | — | 1 |
| 4 | Stem | Forged Brass | IS 6912 Gr. FLB | 1 |
| 5 | Gland Nut | Forged Brass | IS 6912 Gr. FLB | 1 |
| 6 | Gland | Forged Brass | IS 6912 Gr. FLB | 1 |
| 7 | Gland Packing | PTFE / graphite rings | — | — |
| 8 | Bonnet | Bronze | IS 318 Gr. LTB2 | 1 |
| 9 | Body | Bronze | IS 318 Gr. LTB2 | 1 |
| 10 | Name Plate | Aluminium | – – – | 1 |
Sizes / Dimensions
| Size (Inches) Size (mm) A ±1.5 B ~ | ØC ~ D | ||||||
|---|---|---|---|---|---|---|---|
| 1/2 | 15 | 48 | 85 | 60 | 1/2″ | ||
| 3/4 | 20 | 55 | 92 | 65 | 3/4″ | ||
| 1 | 25 | 65 | 100 | 70 | 1″ | ||
| 1 | 1/4 | 32 | 77 | 110 | 80 | 1 | 1/4″ |
| 1 | 1/2 | 40 | 90 | 125 | 90 | 1 | 1/2″ |
| 2 | 50 | 102 | 142 | 110 | 2″ |
Dimensions per datasheet table. Confirm flange standard and size at enquiry.