Four Way Ball Valve Supplier India | L-Port X-Port | WCB SS304 SS316 Forged | Flanged Screwed SW | Class 150–800# | DN15–DN200 | KELOR

Description

Four Way Ball Valve Supplier India | L-Port & X-Port | WCB / SS304 / SS316 / Forged CS | Flanged / Screwed / SW | Class 150–800# | DN15–DN200 | Flow Diversion / HX Reversal | KELOR

Supplier: Krishna Industries (KELOR) – Ahmedabad, Gujarat, India
Established: 2017 | GSTIN: 24AKLPP6499B1ZT | IEC: AKLPP6499B
MOQ: 10 Nos | Body: WCB / CF8 / CF8M / A105 Forged
Config: L-Port & X-Port | Sizes: DN15–DN200 | Pressure: Class 150–800#

Four Way Ball Valve Supplier in India

Krishna Industries (KELOR), based in Ahmedabad, Gujarat, is a B2B supplier of Four Way Ball Valves — L-port and X-port ball configurations — WCB (ASTM A216) / SS304 (CF8 ASTM A351) / SS316 (CF8M ASTM A351) / Forged CS (ASTM A105) body — SS316 ball — PTFE / RPTFE / metal seat — lever / gear / pneumatic actuated / electric actuated — flanged ASME B16.5 / screwed BSP NPT / socket weld — Class 150 / 300 / 600 (flanged) / Class 800# (forged screwed and SW) — DN15 (½”) to DN200 (8″) — API 598 tested — GST invoice — MOQ 10 Nos — Pan India dispatch from Ahmedabad.

A four way ball valve performs flow switching, diversion, source changeover, and cross-connection functions in a single compact valve body — replacing two separate two-way valves, tee fittings, and interconnecting pipework with one valve, one actuator, and four piping connections. The port configuration — L-port or X-port — determines the flow switching function and must be specified correctly before ordering.

L-Port vs X-Port — The Most Important Specification Decision

The internal bore geometry of the ball — L-shaped or X-shaped — determines which ports are connected in each valve position and therefore what flow switching function the valve performs. L-port and X-port are not interchangeable. Specifying the wrong port configuration results in a valve that cannot perform the required switching function regardless of body material, pressure class, or actuator type.

Four Way Ball Valve vs Two Separate Two-Way Valves

The most common alternative to a four way ball valve is two separate two-way ball valves installed with tee fittings and interconnecting pipework. The correct choice depends on the specific application, budget, and maintenance philosophy.

Body Material Selection Guide

Operator Selection for Four Way Ball Valves

Actuating a four way ball valve requires careful attention to rotation range and position stops — a standard two-way ball valve actuator rotates 90° between fully open and fully closed. A four way ball valve has four functional positions at 0°, 90°, 180°, and 270° — the actuator must be capable of stopping precisely at each required position, not just at 0° and 90°.

Technical Specifications

Applications in Indian Industries

• Tank switching and filling systems — L-port WCB or SS316 flanged Class 150 DN50–DN150 — single pump filling two tanks alternately — one four way valve on pump discharge replaces two two-way valves and tee — pneumatic actuated for automated filling cycle — chemical storage, water treatment dosing tanks, edible oil storage, pharmaceutical bulk storage switching
• Heat exchanger anti-fouling — flow reversal — X-port SS316 flanged Class 150 DN80–DN150 — periodic reversal of flow direction through heat exchanger shell side to dislodge fouling deposits — process industries including sugar mills, fertiliser plants, and chemical plants where HX fouling is a maintenance problem — X-port valve switches from forward flow to reverse flow without stopping heat exchanger operation
• Hydraulic systems — OEM equipment — L-port forged A105 Class 800# screwed DN15–DN50 — hydraulic cylinder direction control on press machines, material handling equipment, injection moulding machines — Ahmedabad and Rajkot machine tool OEM manufacturers specifying four way ball valves on hydraulic circuits — compact body fits in tight machine frame spaces
• Pump duty/standby changeover — L-port WCB flanged Class 150 DN80–DN200 — main pump to standby pump inlet changeover — one four way valve switches suction source from duty pump to standby pump — eliminates need for two separate isolation valves and separate suction line piping — ETP/STP pump stations, water supply pump houses, industrial cooling water systems
• Chemical injection manifolds — L-port SS316 screwed Class 800# DN15–DN25 — switching chemical injection from one source drum to another without interrupting injection — oil and gas chemical injection skids, water treatment chemical dosing systems — forged A105 body for high pressure injection systems
• Instrument bypass manifolds — L-port SS316 screwed Class 800# DN15 — three-valve and five-valve manifold equivalents using four way ball valve for instrument isolation and equalisation — compact manifold design for pressure transmitter hook-up in tight instrument enclosures

Related Products — Krishna Industries (KELOR)

• Flanged Ball Valve — standard two-way flanged ball valve for simple on/off isolation — where four-port switching is not required
• Three Piece Ball Valve — two-way three-piece body for applications needing in-line seat maintenance
• Forged 3-Piece Ball Valve — Class 800# — two-way forged high pressure ball valve for Class 800# small bore process isolation
• Pneumatic Ball Valve — pneumatically actuated two-way ball valve for automated on/off process isolation
• WCB Globe Valve — for throttling service in the same piping systems where four way ball valves provide switching

Frequently Asked Questions

1. How do I decide between L-port and X-port for my application?

Ask one question: do you need two circuits to be connected simultaneously at any point during operation? If yes — specify X-port. If the valve must always direct flow to only one destination at a time and the other path must always be blocked — specify L-port. For most Indian industrial flow diversion applications — tank switching, pump changeover, source selection — L-port is correct. X-port is specifically required when two separate flow paths must be cross-connected simultaneously, which occurs in heat exchanger flow reversal and certain regenerative heat recovery systems. When in doubt, specify L-port — it is the more common and more versatile configuration for standard process switching applications.

2. Can a four way ball valve be used for throttling?

No — a four way ball valve, like all ball valves, is an on/off switching valve only. In the partially open position between switching states, high velocity flow through the restricted ball bore erodes the PTFE seat rapidly and scores the ball surface. The valve must always be in one of the defined position stops — 0°, 90°, 180°, or 270° — never in an intermediate position. For flow control in four-port systems, a combination of four way switching valve plus a separate globe or needle valve for flow rate adjustment in the active flow path is the correct approach.

3. What is the torque requirement for a four way ball valve compared to a two-way valve?

A four way ball valve has higher operating torque than a two-way ball valve of the same bore, pressure class, and seat material. This is because the ball has four port openings rather than two — the ball surface area exposed to differential pressure during switching is larger, and the seat contact area is greater. When specifying a pneumatic or electric actuator for a four way ball valve, the actuator supplier must be provided with the four way valve torque data sheet (not a standard two-way valve torque estimate). Using an actuator sized for a two-way valve on a four way valve of the same size commonly results in actuator failure or incomplete valve travel in service — a frequent commissioning problem on automated four way valve installations.

4. What is the MOQ?

MOQ is 10 Nos. Project and OEM orders — 10 to 500+ Nos — with API 598 test certificate, MTC for body material and SS316 ball, dimensional inspection report, and GST invoice. For pneumatic actuated orders: confirm port configuration (L or X), required stop positions, actuator torque data sheet, spring return direction, solenoid voltage, and position switch wiring diagram. WhatsApp port configuration, body material, end connection, size, pressure class, operator type, and quantity for project pricing within 2 hours.

Conclusion

Krishna Industries (KELOR) supplies Four Way Ball Valves for flow switching, diversion, source changeover, heat exchanger flow reversal, hydraulic direction control, and instrument manifold applications — L-port (one active path, divert/select function) and X-port (two active paths simultaneously, cross-connect/flow reversal function) — WCB (ASTM A216) / SS304 (CF8) / SS316 (CF8M) / Forged CS (ASTM A105) body — SS316 ball — PTFE / RPTFE / metal seat — lever / gear / pneumatic actuated / electric actuated — flanged ASME B16.5 / screwed BSP NPT / socket weld — Class 150 to Class 800# — DN15 (½”) to DN200 (8″) — API 598 tested — GST invoice — Pan India dispatch from Ahmedabad. WhatsApp port configuration, body material, size, and quantity for project pricing within 2 hours.