Large-scale municipal water grids, wastewater treatment plants, and industrial utility headers require rugged, heavy-duty valves capable of handling high volumetric flow rates with minimal fluid resistance. FlowBiz Exports Pvt. Ltd. fulfills this demand with our precision-engineered Cast Iron Sluice Gate Valves. Engineered to meet stringent Indian and global design standards, these full-bore isolation instruments are manufactured using optimized metallurgy and advanced engineering techniques.
A sluice gate valve features a heavy, vertical sliding gate or wedge that lowers into the fluid channel to establish a highly secure mechanical seal. When fully raised, the gate clears the fluid pathway entirely, leaving an open channel with an internal diameter matching the pipeline. This full-port configuration minimizes fluid turbulence and limits pressure drop P across the line, optimizing pumping efficiency across your facility.
FlowBiz sluice gate valves are fabricated in alignment with premier Indian standards, ensuring complete dimensional interchangeability and field reliability.
| Parameter | Technical Specification Baseline | Engineering & Process Advantage |
| Manufacturing Standards | IS: 780 / IS: 14846 | Fully standardized structural wall thicknesses and pressure-containment metrics. |
| Body Metallurgy | Cast Iron (CI) to IS: 210 Grade FG 200 / 220 | High-density iron casting offers superior mechanical strength and vibration dampening. |
| Internal Trim Materials | 13% Chromium (Cr) Steel / Stainless Steel 304 | Prevents localized erosion, pitting, and wire-drawing along the seating faces. |
| Design Architecture | Outside Screw & Yoke (OS&Y) / Bolted Bonnet | Isolates critical stem drive threads from direct media contact to avoid seizing. |
| Stem Configurations | Rising Stem / Non-Rising Stem options | Tailored for clear visual tracking or space-restricted underground installations. |
| Pressure Ratings | PN 10 / PN 16 Class System | Optimized for stable, continuous service in low-to-medium pressure loops. |
| Connection Profile | Standard Flanged Ends | Multi-bolt perimeter mounting ensures high joint stability and minimal joint deflection. |
| Size Spectrum | 50 mm to 500 mm (2 inches to 20 inches) | Comprehensive sizing to accommodate small process drops up to master headers. |
The heavy-wall cast iron construction (Grade FG 200/220) provides an excellent mechanical foundation that resists physical pipe-alignment stresses and high thermal gradients. To prevent atmospheric rust and external oxidation in damp pump rooms or chemical environments, each valve is finished with a high-durability, polished blue protective coating that acts as an impermeable physical barrier.
Every componentfrom the bolted bonnet and internal wedge rings to the fine-lapped spindle threadsis machined to exacting engineering tolerances. This precision guarantees the perfect interchangeability of components during routine maintenance turnarounds and ensures an equal taper across the wedge faces for a tight mechanical seal.
Operated via an ergonomic manual handwheel, these valves give field technicians absolute control over line isolation without requiring external electrical lines or compressed air supplies. The multi-turn rising stem mechanism ensures a gradual opening and closing profile, safely eliminating the risk of sudden pressure surges or water hammer.
FlowBiz Exports Pvt. Ltd. acts as an integrated manufacturer, exporter, supplier, and trader, managing a highly responsive supply chain with hubs in Pune, Maharashtra and Gandhidham, Gujarat. Every valve production lot undergoes rigorous multi-stage quality control audits, including material test validations and mandatory hydrostatic shell and seat pressure testing. This guarantees that your equipment arrives on-site fully verified and ready for continuous, zero-leakage service.
A: In a Rising Stem (OS&Y) valve, the stem is threaded directly to the handwheel mechanism outside the valve body. As the handwheel turns, the stem lifts upward linearly, providing operators with immediate visual confirmation of the valve's internal position. In a Non-Rising Stem valve, the stem threads turn inside the gate itself. The stem rotates but does not move vertically, making it the ideal choice for compact pipeline manifolds, underground pits, or space-restricted corridors where vertical clearance is limited.
A: These Indian Standards define the exact engineering baselines for the wall thickness, flange dimensions, materials, and testing protocols of sluice gate valves used in water supply systems. Complying with IS: 780 (for smaller sizes) and IS: 14846 (for larger configurations) ensures that the valves can handle pipeline shifting, absorb water velocity changes, and seamlessly fit with standard public utility piping infrastructure.
A: 1. Clean the faces of both the valve flanges and the pipeline flanges to remove rust, scale, or grease.
2. Align the pipeline to sit parallel with the valve face to prevent body distortion or installation stresses.
3. Insert a compatible industrial gasket between the sealing faces.
4. Pass high-tensile fasteners through the bolt holes and tighten the nuts progressively in an alternating star-pattern sequence to ensure uniform gasket compression.
5. Cycle the manual handwheel fully to ensure the internal gate moves smoothly without hitting the inner diameter of the adjacent pipe spools.
A: When a sluice valve is cracked slightly open to regulate flow, the passing fluid reaches high velocities. This can cause severe erosion and "wire-drawing" across raw cast iron surfaces. By utilizing a high-hardness trim made of 13% Chromium or Grade 304 Stainless Steel for the body and wedge sealing rings, the critical seating surfaces are shielded against high-velocity erosion, rust, and particle scoring, preserving a tight shut-off.
A: You can contact our technical sales desk directly to discuss your project's specific bills of materials. Whether you require custom large-bore sizing up to 500 mm, specific trim materials for chemical streams, or specialized pressure ratings, our engineering team will compile a transparent price quotation and coordinate production to align with your facility's construction schedule.

Price:
Price 5000.0 INR / Number
Minimum Order Quantity : 1 Number
Size : 1/2"12"
Surface : Polished
Usage : Industrial
Color : Gray
Price 500.00 INR / Unit
Minimum Order Quantity : 1 Number
Size : 1/2" to 12"
Surface : Polished
Usage : Industrial
Color : Blue
Price 800 INR / Unit
Minimum Order Quantity : 1 Number
Size : All size
Surface : Polished
Usage : Construction
Color : Silver
Price 800.00 INR / Unit
Minimum Order Quantity : 1 Number
Size : 20 mm
Surface : Polished
Color : Black