ZOLOTO · GLOBE VALVES
Zoloto 1004 Bronze Globe Valve with PTFE Seating – One Side Flanged for Transformer Oil
Zoloto 1004 bronze globe valve with PTFE seating, flanged inlet, for transformer oil applications. Sizes 15-50mm. Available at PC Engineering India.
Overview
The Zoloto 1004 is a bronze globe valve designed specifically for transformer oil service and similar low-viscosity oil applications. This medium-pattern valve features a flanged inlet connection conforming to BS 10 Table 'D' and a screwed female outlet to IS 554 / BS 21 / ISO 7, making it ideal for transformer drainage and isolation duties.
Constructed with a bronze body (IS 318 Gr. LTB2) and PTFE disc facing, the valve delivers reliable sealing performance in oil service up to 225°C. The inside screw rising stem design with screwed-in bonnet ensures positive indication of valve position and simplified maintenance. Premium PTFE gland packing provides leak-free operation throughout the valve's service life.
This globe valve is widely used by transformer manufacturers and electrical utilities across India for oil filling, draining, and sampling operations on power and distribution transformers.
Key Features
- One side flanged (BS 10 Table D) with opposite side screwed female (IS 554/BS 21/ISO 7)
- Bronze construction with integral seat for durability in oil service
- PTFE disc facing and gland packing for excellent sealing
- Inside screw rising stem with screwed-in bonnet
- Sheet metal powder-coated handwheel for firm grip
- Medium pattern design for compact installation
- Optional open-shut indicator and locking device available
- Maximum working temperature: 225°C
Specifications
| Parameter | Value | ||||
|---|---|---|---|---|---|
| Body Material | Bronze IS 318 Gr. LTB2 | ||||
| Stem Material | Forged Brass IS 6912 Gr. FLB | ||||
| Disc Facing | PTFE | ||||
| Gland Packing | PTFE | ||||
| Inlet Connection | Flanged to BS 10 Table 'D' | ||||
| Outlet Connection | Screwed Female to IS 554 / BS 21 / ISO 7 | ||||
| Shell Test Pressure | 24 kg/cm²g (340 psig) | ||||
| Seat Test Pressure | 16 kg/cm²g (225 psig) | ||||
| Max Working Temperature | 225°C | ||||
| Suitable Medium | Oil | ||||
| Size (Inches) | Size (mm) | A ±1.5 (mm) | B (mm) | ØC (mm) | Outlet Thread |
| 1/2 | 15 | 53 | 85 | 60 | 1/2″ |
| 3/4 | 20 | 67 | 90 | 65 | 3/4″ |
| 1 | 25 | 80 | 98 | 70 | 1″ |
| 1 1/4 | 32 | 86 | 115 | 80 | 1 1/4″ |
| 1 1/2 | 40 | 91 | 127 | 90 | 1 1/2″ |
| 2 | 50 | 106 | 140 | 110 | 2″ |
Applications
- Power transformer oil filling and draining - Distribution transformer isolation - Oil sampling points on electrical equipment - Transformer conservator tank connections - Low-viscosity industrial oil systems - Electrical substation equipment
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Frequently Asked Questions
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