ZOLOTO Bronze Auxiliary Steam Stop Valve Straight Pattern (Screwed)
Zoloto 1041 Bronze Globe Steam Stop Valve (Screwed)
The Zoloto 1041 is an industrial-grade, screwed-bonnet bronze globe steam stop valve designed for high-pressure fluid control and stem isolation. Engineered with renewable 13% Chromium Stainless Steel (SS 410) internal working components and heat-treated body seating, it provides maximum durability and tight shut-off performance across steam and water line applications.
Key Technical Features
- Thread End Connection: Screwed female ends compliant with BSPT standards.
- Internal Architecture: Features a straight-pattern body, screwed-in bonnet, inside screw design, and a rising stem.
- Maintenance & Safety: Designed with back-seating capability to allow online re-packing under line pressure.
- Control & Sealing: Handwheel-operated mechanism with high-grade lubricated gland packing.
- Durable Components: Equipped with renewable 13% Cr. Stainless Steel (SS 410) internal trim, along with a heat-treated body seat ring and disc for prolonged operational life.
- Regulatory Compliance: IBR (Indian Boiler Regulations) certified.
Operating Parameters & Test Pressures
|
Parameter |
Value |
|
Hydrostatic Shell Test Pressure |
35.15 kg/cm²g (500 psig) |
|
Working Pressure (Steam) |
17.58 kg/cm²g (250 psig) |
|
Maximum Operating Temperature |
225°C |
|
Media Compatibility |
Suitable for Steam and Water |
Bill of Materials (BOM)
|
Part No. |
Part Name |
Material |
Standard Specification |
Qty |
|
1 |
Body |
Bronze |
IBR 282 (a) (IV) Gr. B |
1 |
|
2 |
Body Seat Ring |
Stainless Steel |
ASTM A276 Type 410 |
1 |
|
3 |
Disc |
Stainless Steel |
ASTM A276 Type 410 |
1 |
|
4 |
Disc Nut |
Bronze |
IBR 282 (a) (IV) Gr. B |
1 |
|
5 |
Stem |
Stainless Steel |
ASTM A276 Type 410 |
1 |
|
6 |
Safety Lock |
Brass Sheet |
IS 410 |
1 |
|
7 |
Bonnet |
Bronze |
IBR 282 (a) (IV) Gr. B |
1 |
|
8 |
Gland Packing |
Asbestos |
IS 4687 |
– |
|
9 |
Gland |
Bronze |
IBR 282 (a) (IV) Gr. B |
1 |
|
10 |
Gland Nut |
Bronze |
IBR 282 (a) (IV) Gr. B |
1 |
|
11 |
Handwheel |
Cast Iron |
IS 210 Gr. FG 200 |
1 |
|
12 |
Washer |
Carbon Steel |
Standard Commercial |
1 |
|
13 |
Nut |
Carbon Steel |
Standard Commercial |
1 |
Dimensions & Sizes
|
Size (Inches) |
Size (mm) |
A ±1.5 (mm) |
B ~ (mm) |
ØC ~ (mm) |
Thread D |
|
1/2″ |
15 |
83 |
115 |
90 |
1/2″ |
|
3/4″ |
20 |
95 |
115 |
90 |
3/4″ |
|
1″ |
25 |
111 |
130 |
102 |
1″ |
|
1 1/4″ |
32 |
133 |
160 |
127 |
1 1/4″ |
|
1 1/2″ |
40 |
152 |
168 |
127 |
1 1/2″ |
|
2″ |
50 |
178 |
185 |
150 |
2″ |
(Note: Dimension tolerance ~ ±10mm for height/handwheel metrics)
