Electric Actuated Butterfly Valve Supplier India | CI DI Body SS304 SS316 Disc | EPDM PTFE Seat | 220V AC | On/Off Modulating | DN50–DN300 | HVAC ETP Water | KELOR

Description

Electric Actuated Butterfly Valve Supplier India | CI / DI Body | SS304 / SS316 Disc | EPDM / PTFE Seat | 220V AC | On/Off & Modulating | DN50–DN300 | HVAC / ETP / Water Treatment / BMS | KELOR

Supplier: Krishna Industries (KELOR) – Ahmedabad, Gujarat, India
Established: 2017 | GSTIN: 24AKLPP6499B1ZT | IEC: AKLPP6499B
MOQ: 10 Nos | Body: CI / DI | Disc: SS304 / SS316
Voltage: 220V AC | Control: On/Off & Modulating 4-20mA | Sizes: DN50–DN300

Electric Actuated Butterfly Valve Supplier in India

Krishna Industries (KELOR), based in Ahmedabad, Gujarat, supplies Electric Actuated Butterfly Valves — CI (Cast Iron IS 210) and DI (Ductile Iron ASTM A536) body — SS304 / SS316 disc — EPDM seat (water, HVAC, cooling water) / PTFE seat (chemical, high temp) — part-turn electric actuator — 220V AC single phase — on/off and modulating 4-20mA — IP65 — manual override handwheel — wafer type (standard) and lug type — DN50 (2″) to DN300 (12″) — PN10 / PN16 — API 598 tested — GST invoice — MOQ 10 Nos — Pan India dispatch from Ahmedabad.

An electric actuated butterfly valve combines the compact wafer body and quarter-turn disc mechanism of a standard butterfly valve with a part-turn electric actuator for remote, automated, and BMS/DCS-integrated operation. Furthermore, it eliminates the need for instrument air infrastructure — making it the practical choice for HVAC plant rooms, commercial building services, and municipal ETP/STP locations where compressed air is not available. Consequently, it is the standard automated butterfly valve for Indian HVAC chilled water, condenser water, and water treatment plant automation projects.

Electric vs Pneumatic Actuated Butterfly Valve — When to Specify Each

Both electric and pneumatic actuators are available for butterfly valves. However, each has specific site infrastructure requirements and performance characteristics. Therefore, selecting the correct actuator type before ordering prevents commissioning problems.

Body, Disc, and Seat Selection

Actuator Specification — What to Confirm Before Ordering

Technical Specifications

Applications in Indian Industries

HVAC — Chilled Water and Condenser Water Systems

CI body SS304 disc EPDM seat 220V AC on/off DN80–DN200. AHU chilled water supply and return isolation — valve opens when AHU fan runs, closes on BMS shutdown signal. Furthermore, cooling tower cell isolation and condenser water header sectioning. 220V AC direct from BMS panel — no compressed air required in HVAC plant room. Consequently, this is the standard electric BFV specification for Indian commercial building HVAC projects by MEP contractors.

ETP and STP — Water Flow Control

CI body SS304 disc EPDM seat 220V AC on/off DN80–DN200. Inlet flow control, inter-stage isolation, treated water discharge. 220V AC panel-mounted control in ETP control room. Moreover, modulating 4-20mA version for variable flow control on ETP process stages where precise flow rate control is required. No compressed air at ETP/STP locations — electric 220V AC is the practical actuator choice for Indian municipal ETP automation.

Water Treatment Plants — Municipal Projects

CI or DI body SS304 disc EPDM seat 220V AC on/off DN100–DN300. Filter inlet/outlet isolation, backwash control, sedimentation tank inlet. SCADA integration via 220V AC and limit switch feedback. Additionally, DI body for DN200+ where CI body at larger bore requires higher mechanical strength. Municipal water board automation projects across Gujarat, Maharashtra, and Tamil Nadu.

Building Services — Hot Water and Steam Utility

CI body SS304 disc PTFE seat 220V AC on/off DN50–DN150. Hot water supply isolation, steam utility control in commercial buildings. PTFE seat for service above 120°C where EPDM seat temperature limit is exceeded. Furthermore, 220V AC matches standard building electrical supply — no separate instrument air infrastructure required in building services riser shafts.

Related Products — Krishna Industries (KELOR)

• Gear Operated Butterfly Valve — manual gear operation for DN200+ large bore — where automation is not required and manual operation is preferred
• Lever Operated Butterfly Valve — manual lever for DN50–DN200 — for locations where electric actuation is not required
• PTFE Muffler Butterfly Valve — PTFE lined body for aggressive chemical service — manual or actuated — where CI body is not suitable for the process fluid
• Single Plate Wafer Check Valve (NRV) — install on pump discharge downstream of electric BFV — prevents backflow when pump trips
• Y Strainer — install upstream of electric BFV on HVAC and water treatment lines — protects disc and EPDM seat from particulate damage

Frequently Asked Questions

1. Why specify electric actuation instead of pneumatic for HVAC butterfly valves?

Electric 220V AC actuation is the standard choice for HVAC butterfly valve automation in Indian commercial buildings for three reasons. First, no compressed air infrastructure is required — building services plant rooms typically do not have instrument air compressors. Second, 220V AC signal from the BMS digital output connects directly to the electric actuator without a pneumatic solenoid valve in the signal chain — simpler wiring and commissioning. Third, modulating 4-20mA electric control is simpler than pneumatic modulating (which requires an I/P converter and positioner) for variable chilled water flow control to HVAC coils. Pneumatic actuation is preferred only where fast stroke (under 5 seconds) or inherent spring return fail-safe is a safety requirement — conditions that rarely apply to standard HVAC chilled water isolation.

2. What is the difference between on/off and modulating electric actuated butterfly valve?

An on/off electric BFV moves only to the fully open or fully closed position. It receives a digital on/off signal from the BMS or PLC and limit switches confirm open and closed positions. This is correct for HVAC AHU isolation — valve fully open when AHU runs, fully closed when off. A modulating electric BFV positions the disc at any point between 0% and 100% open in response to a 4-20mA analog signal from the BMS. This is correct for variable chilled water flow control where the BMS adjusts valve position to maintain a chilled water temperature setpoint. Therefore, specify on/off for simple isolation service and modulating for variable flow control.

3. What happens to the valve position on power failure?

A standard electric actuator holds its last position on power failure — the butterfly valve disc stays wherever it was when power was lost. For most HVAC and water treatment applications, this is acceptable — the valve remaining open or closed in its last position does not create a safety hazard. However, if the process requires the valve to move to a specific safe position (fully open for continuous cooling water supply or fully closed for emergency isolation), specify a spring-return electric actuator or provide a UPS to drive the actuator to the safe position before power is completely lost. Always define the required fail-safe position at order stage if it is a system requirement.

4. Can the electric actuated butterfly valve be used for dead-end service?

Yes — specify lug type body for dead-end service. A wafer type butterfly valve is clamped between two pipeline flanges and requires both upstream and downstream flanges to remain in place. A lug type body has threaded lugs that bolt independently to each pipeline flange, allowing the downstream piping to be removed while the valve remains in service — correct for dead-end applications such as pump discharge or pipeline termination where downstream pipework must be removed for maintenance.

5. What is the MOQ?

MOQ is 10 Nos. HVAC project and water treatment plant orders — 10 to 500+ Nos across sizes — with API 598 test certificate, actuator functional test report (220V AC tested), and GST invoice. Confirm control mode (on/off or modulating), disc material (SS304 or SS316), seat material (EPDM or PTFE), and body type (wafer or lug) at order stage. WhatsApp body material, disc material, seat, size list, control mode, and quantity for project pricing within 2 hours.

Conclusion

Krishna Industries (KELOR) supplies Electric Actuated Butterfly Valves for HVAC chilled water and condenser water isolation, ETP/STP water flow control, municipal water treatment automation, and BMS-integrated building services — CI and DI body — SS304 and SS316 disc — EPDM and PTFE seat — part-turn 220V AC electric actuator — on/off and modulating 4-20mA — IP65 — manual override handwheel — wafer and lug type — DN50 to DN300 — PN10 / PN16 — API 598 tested — GST invoice — Pan India dispatch from Ahmedabad. WhatsApp disc material, seat, size list, control mode, and quantity for pricing within 2 hours.