Design & Construction
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Crafted in cast iron (typically IS:210 Gr. FG260) with flanged ends conforming to IS:1538 Table 4 & 6
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Available in Rising Stem (Rising Spindle) and Non-Rising Spindle (NRS) versions. Rising stems provide visual indication of valve position; NRS are more compact
Material Details
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Body & Wedge: Cast Iron IS 210 Gr. FG260
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Wedge Ring & Seat: Typically bronze (e.g., IS:318 Gr. LTB-2)
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Spindle (Stem): Stainless steel, commonly SS410
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Standards & Ratings
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Designed per IS 14846 (Indian standard for sluice/gate valves)
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Available pressure ratings include PN 1.0 and PN 1.6, corresponding roughly to 10 bar and 16 bar service pressures
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Temperature suitability: for clear water up to 45 °C and turbidity up to 5000 ppm
Features
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Rigid, sturdy design ensures low pressure loss and smooth operation
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Components are interchangeable, with precisely machined parts and tight wedge-body fit for long-term leak tightness
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Accessories available: cap top, position indicator, repacking or back seat arrangement, gear operation (spur/bevel/worm), thrust bearing (for ≥200 NB), renewable channel and shoe guides
Applications
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Widely used in waterworks, effluent/sewage treatment, fire-fighting systems, boiler feed, irrigation, HVAC, domestic use, and areas requiring dewatering or pressure boosting
Typical Specifications in Summary:
| Specification | Details |
|---|---|
| Construction | Cast Iron body & wedge (IS 210 FG260) |
| Trim Materials | Bronze wedge-ring & seat (IS 318 LTB-2) |
| Spindle | SS410 stainless steel |
| End Connection | Flanged (FF) per IS 1538 Table 4 & 6 |
| Stem Type Variants | Rising and Non-Rising |
| Pressure Ratings | PN 1.0 and PN 1.6 |
| Temperature/Turbidity | ≤ 45 °C; up to 5000 ppm turbidity |
| Standards | IS 14846 (design), BS variants also recognized |
| Accessories | Cap top, position indicator, gears, back-seat, etc. |
Size Availability
Choosing the Right Valve
Select based on:
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Size (Nominal Bore) matching your pipeline.
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Pressure rating (e.g., PN 1.0 vs PN 1.6).
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Stem type: Rising for position visibility or Non-rising for space constraints.
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Operating environment: Temperature, turbidity, media type.
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Need for accessories like gearboxes or position indicators.
