Name: Plastic butterfly valve
Brand: Supmea
SKU: 03015
Rating: 4.8 (13 reviews)

Plastic butterfly valve

Supmea plastic butterfly valves — corrosion-resistant wafer/flange butterfly valves in UPVC, CPVC, PP, PVDF and PPH. PTFE-lined option available for highly aggressive chemical media.

Characteristics

All-plastic body and disc
PTFE lining option
Compact wafer design
ISO 5211 mounting pad
Low operating torque
Multiple material options
DN50–DN600 full coverage
Double half-shaft maintenance-free design

Technical Specifications

Parameter	Specification
Design Standard	ISO 5752 / EN 593
Flange Standard	ISO 7005 PN10/16 / ANSI 150#
Nominal Diameter	DN50 ~ DN600
Nominal Pressure	PN10 / PN16
Temperature Range	-10°C ~ 95°C (UPVC) / up to 120°C (PP/PVDF)
Body Material	UPVC / CPVC / PP / PVDF / PPH
Disc Material	PP / PVDF / PTFE-coated SS
Liner/Seat	EPDM / FPM / PTFE
Connection Type	Wafer / Lug / Full Flange
Operation	Lever (≤DN200) / Gearbox (>DN200)
Actuation Ready	ISO 5211 Mounting Pad
Seal Type	Soft Seat (EPDM/FPM/PTFE)
Leakage Class	EN 12266 Rate A (Zero Leakage)
Flow Characteristic	Approx. Equal Percentage
Top Flange	ISO 5211 (F07/F10/F12)

Key Features

All-plastic body and disc — excellent chemical resistance, zero metal contamination
PTFE lining option — suitable for aggressive media: strong acids, alkalis, organic solvents
Compact wafer design — lightweight, small installation footprint, easy maintenance
ISO 5211 mounting pad — compatible with electric/pneumatic actuators for automation
Low operating torque — 90° quarter-turn operation, smooth and effortless
Multiple material options — UPVC economical / PVDF high-temperature / PP general corrosion
DN50–DN600 full coverage — from laboratory scale to industrial mains
Double half-shaft maintenance-free design — no exposed metal, suitable for outdoor & humid environments

Available Models

Model	Description
Wafer Type Butterfly Valve	Standard wafer connection, UPVC/PP/PVDF body + EPDM/FPM/PTFE liner, DN50–DN300. Lever DN50–DN200, gearbox ≥DN250. For general acid/alkali fluids and water treatment.
Flange Type Butterfly Valve	Full flange connection, UPVC/CPVC/PP body, DN50–DN600. For installations requiring extra stability. Optional electric/pneumatic actuator, ISO 5211 interface.
PTFE Lined Butterfly Valve	Full PTFE-wrapped body and disc, suitable for strong acids, alkalis and organic solvents. DN50–DN300. Wafer installation. Ideal for electroplating and chemical reactor lines.

Technical Data

Dimension Data – Wafer Type (PN10, DN50 ~ DN300)

DN	50	65	80	100	125	150	200	250	300
L (mm)	43	46	46	52	56	56	60	68	78
D (mm)	165	185	200	220	250	285	340	395	445
D1 (mm)	125	145	160	180	210	240	295	350	400
H (mm)	164	179	195	220	247	268	310	365	420
n-φd	4-18	4-18	8-18	8-18	8-18	8-22	8-22	12-22	12-22