PTFE Muffler Butterfly Valve | SGI SS304 Body | CF8M Disc | PN10 | Supplier India

Description

PTFE Muffler Butterfly Valve | SGI / SS304 Body | CF8M Disc | PTFE Seat | PN10 | Supplier India

Supplier: Krishna Industries (KELOR) – Ahmedabad, Gujarat, India
Established: 2017 | GSTIN: 24AKLPP6499B1ZT | IEC: AKLPP6499B
MOQ: 10 Nos | Pressure: PN10 / 10 kg/cm2 | Temperature: Up to 180°C
Leakage Class: Class VI (Zero Leakage) | Media: Air, Water, Powder, Gas
Operation: Bare Shaft / Lever Handle / Gear Operated

Introduction – PTFE Muffler Butterfly Valve Supplier India

Krishna Industries (KELOR), based in Ahmedabad, Gujarat, India, is a trusted B2B supplier of PTFE Muffler Butterfly Valves sourced from verified Indian manufacturers. We supply the PTFE Muffler Butterfly Valve in SGI (Ductile Iron) body and SS304 body — CF8M (SS316) disc — PTFE full body-lined seat — wafer type 1-piece design — PN10 / 10 kg/cm2 — up to 180°C — for air, water, powder, and gas media — achieving Leakage Class VI zero leakage shutoff.

The PTFE Muffler Butterfly Valve is a specialised butterfly valve where the entire body interior is lined with PTFE — creating a chemically inert, non-stick flow path. The PTFE lining acts as both the seat seal and the body lining, with the CF8M disc seating against it for Class VI bubble-tight closure. The term “muffler” refers to the PTFE lining’s inherent noise and vibration damping properties — significantly reducing pipe vibration and flow noise in pneumatic conveying, powder handling, and compressed air systems where this valve is widely specified across India.

Also referred to as: PTFE Lined Butterfly Valve, PTFE Seat Butterfly Valve, PTFE Body Butterfly Valve, Muffler Butterfly Valve — used interchangeably across Indian project specifications, equipment datasheets, and procurement documents.

PTFE Muffler vs Standard Rubber Seat Butterfly Valve — Key Comparison

Specify PTFE Muffler Butterfly Valve when: media is dry powder, hot air above 120°C, chemical vapour, food/pharma grade fluid — or when Class VI zero leakage shutoff is required.

Product Configuration Guide

Body and Disc Options

Operation Type Selection

Technical Specifications

Leakage Class VI — What It Means for Powder and Gas Service

In powder handling, pneumatic conveying, pharmaceutical dry rooms, food powder lines, and compressed gas isolation — Class VI is mandatory. The PTFE Muffler Butterfly Valve achieves Class VI consistently because the full PTFE body lining makes perfect contact with the CF8M disc on closure.

Why Powder Handling Plants Specify PTFE Muffler Butterfly Valve

Powder handling engineers across India — in cement, pharma, food, fertiliser, and pneumatic conveying plants — specify PTFE muffler butterfly valve over standard rubber-seat butterfly valve for three specific reasons:

1. Non-stick PTFE surface prevents powder buildup. Rubber seats attract and hold fine powder — over time powder packs into the seat and prevents proper closure. PTFE is inherently non-stick — powder flows clean without buildup, maintaining consistent Class VI shutoff throughout the valve service life.

2. Class VI zero leakage for powder and gas isolation. In pharmaceutical dry rooms, food powder lines, and pneumatic conveying systems — any leakage causes contamination, product loss, or safety issues. Class VI bubble-tight shutoff is mandatory and only PTFE seats achieve this consistently in butterfly valve format.

3. Higher temperature capability. Compressed air and pneumatic conveying lines carry hot discharge air from compressors — often 100°C to 150°C at valve locations. EPDM rubber limits operation to 120°C. PTFE seat handles up to 180°C without deformation or leakage degradation.

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Applications in Indian Industries

• Cement plants — fly ash conveying, cement powder transfer, kiln air supply
• Pharmaceutical plants — API powder transfer, dry room air isolation, GMP media isolation
• Food processing — flour, starch, sugar powder conveying — FDA-compliant PTFE contact surface
• Chemical plants — chemical vapour isolation, hot process gas, aggressive media lines
• Pneumatic conveying systems — all dry powder and granule transfer lines
• Paint and pigment plants — pigment powder and solvent vapour isolation
• Fertiliser plants — urea, DAP, fertiliser powder conveying lines
• Rubber and tyre plants — carbon black powder handling, air and gas isolation
• Power plants — fly ash handling, compressed air supply, flue gas isolation
• Textile plants — compressed air and chemical supply line isolation
• HVAC — pharmaceutical and food — clean room air handling, GMP HVAC supply and return

EPC Contractors — Bulk Supply

• Bulk supply from MOQ 10 Nos — SGI and SS304 body configurations together in single order
• MTC for body and disc material — CF8M (SS316) and SGI / SS304 body certificates
• Leakage test certificate — Class VI confirmation available on request
• GST invoices — GSTIN: 24AKLPP6499B1ZT
• Fast dispatch from Ahmedabad — 3 to 7 working days standard configurations
• Consolidated supply with rubber-seat butterfly valves, check valves, Y strainers in single order

PAN India Supply Coverage

Maharashtra — Mumbai, Pune, Navi Mumbai, Nashik, Aurangabad, Nagpur
Gujarat — Ahmedabad, Surat, Vadodara, Rajkot, Bharuch, Ankleshwar, Vapi, Dahej
Rajasthan — Jaipur, Jodhpur, Udaipur, Kota, Bhilwara
Delhi NCR — Delhi, Noida, Gurgaon, Faridabad, Ghaziabad
Tamil Nadu — Chennai, Coimbatore, Madurai, Tirupur, Salem
Karnataka — Bangalore, Hubli, Mysore, Belgaum, Mangalore
Telangana and Andhra Pradesh — Hyderabad, Vizag, Vijayawada, Kakinada
Madhya Pradesh — Indore, Bhopal, Jabalpur, Pithampur
Punjab and Haryana — Ludhiana, Amritsar, Chandigarh, Panipat
West Bengal — Kolkata, Durgapur, Asansol, Haldia
Odisha, Jharkhand, Chhattisgarh — all industrial zones

Export FOB Mundra / JNPT. IEC registered exporter — IEC: AKLPP6499B.

Related Products from Krishna Industries

• PN10 Butterfly Valve (EPDM seat) — economical rubber seat butterfly for water and general utility
• PN16 Butterfly Valve — higher pressure service butterfly valve
• Lug Type Butterfly Valve — end-of-line service butterfly valve
• CI / SS304 / SS316 Wafer Check Valve — non-return valve for pump discharge
• Y Strainer Valve — pipeline protection upstream of process equipment
• Dual Plate Check Valve — low pressure drop NRV for pump discharge mains

Frequently Asked Questions

1. What is a PTFE muffler butterfly valve?

A wafer-type butterfly valve with PTFE full body lining acting as both seat and corrosion-resistant inner surface. The CF8M (SS316) disc seals against the PTFE lining achieving Class VI zero leakage shutoff. Suitable for air, water, powder, gas, and chemical vapour up to 180°C.

2. What does “muffler” mean in this valve?

The PTFE lining absorbs pipe vibration and reduces flow noise in pneumatic conveying and compressed air systems — the “muffler” effect. Operation is noticeably quieter than standard rubber-seat butterfly valves in air and powder handling lines.

3. Why is PTFE seat better than EPDM for powder handling?

PTFE is non-stick — dry powder flows clean without buildup on the seat. EPDM rubber is tacky and attracts fine powder which packs into the seat over time and prevents proper closure. PTFE maintains Class VI shutoff throughout service life in powder handling applications.

4. What is the maximum operating temperature?

Up to 180°C — significantly higher than EPDM (120°C max) and NBR (80°C max). Suitable for hot compressed air, hot water, and heated process gas lines.

5. What is Leakage Class VI?

Bubble-tight zero measurable leakage per ANSI/FCI 70-2 — the highest leakage performance class for soft seat valves. Mandatory for powder, gas, and pharmaceutical process isolation where any leakage causes contamination or safety issues.

6. SGI body vs SS304 body — which to choose?

SGI (Ductile Iron) body is more economical — ideal for general industrial, powder handling, compressed air, and water service. SS304 body provides full stainless steel construction for corrosive media, food, pharmaceutical GMP, and aggressive chemical service. Both use CF8M (SS316) disc.

7. What is CF8M?

CF8M is the ASTM A351 cast equivalent of SS316 stainless steel — higher corrosion resistance than SS304, particularly for chloride and chemical media. Standard disc material for PTFE muffler butterfly valves across India.

8. Bare shaft, handle, or gear — which to choose?

Bare shaft for actuator-driven automated systems. Lever handle for manual on/off on small to medium sizes with frequent operation. Gear operator for 150mm and above where lever torque is impractical or for infrequent manual operation in hard-to-reach locations.

9. Is PTFE FDA compliant for food and pharma?

Yes — PTFE is FDA 21 CFR 177.1550 compliant for food contact. Standard seat material in butterfly valves for pharmaceutical and food processing GMP applications requiring inert, non-contaminating media contact surfaces.

10. What is the MOQ?

MOQ is 10 Nos. Bulk project orders welcome with better pricing and confirmed delivery timelines.

Conclusion

The PTFE Muffler Butterfly Valve supplied by Krishna Industries (KELOR) is the specified choice for powder handling, pneumatic conveying, pharmaceutical, food processing, and hot gas isolation applications across India — wherever Class VI zero leakage, non-stick PTFE contact surface, and up to 180°C temperature capability are required. SGI or SS304 body — CF8M (SS316) disc — PTFE full body lining — wafer type 1-piece design — PN10 / 10 kg/cm2 — bare shaft, lever handle, and gear operated. Sourced from verified Indian manufacturers with MTC, leakage test certificate, GST documentation, and fast PAN India dispatch from Ahmedabad.

Contact Krishna Industries (KELOR) — your trusted PTFE Muffler Butterfly Valve supplier in Ahmedabad, Gujarat, India. WhatsApp your size, body material, operation type, and quantity for bulk pricing within 2 hours.