Stainless Steel PTFE Seat Wafer Butterfly Valve

Size Range

DN50-DN1000

Pressure Class

PN10/PN16

Standards

API609, ANSI16.34, JISB2064, GB T12238, DIN3202, ISO5752, BS5155, API598, ISO5211, DIN2501 PN10/16, ANSI 125/150/300, BS4504, JIS10K

End connection

Wafer

Available sizes

Standard DN sizes covered by this product. Confirmed at quote.

Available pressure classes

Pressure classes this product is rated to.

Configure your variant(manually adjust box on the right if you require a different spec)

Size

DN50 (2")DN65 (2 1/2")DN80 (3")DN100 (4")DN125 (5")DN150 (6")DN200 (8")DN250 (10")DN300 (12")DN350 (14")DN400 (16")DN450 (18")DN500 (20")DN600 (24")DN700 (28")DN800 (32")DN900 (36")DN1000 (40")

Pressure

PN10PN16

End connection

Wafer DIN2501 PN10/16Wafer ANSI 125/150/300Wafer BS4504Wafer JIS 10K

Materials

All available material options per part. Click a pill to set it in the configurator.

body

CIDICSSS

disc

CF8CF8MDI+NiSS304

seat

EPDMPTFEVITONNBRHypalon

stem

SS416SS316SS304CS

shaft

SS416SS316SS304CS

bushing

PTFEBronze

o ring

NBREPDM

pin

SS

Operating media

Approvals

Features

• Compact wafer-type body for installation between standard flanges
• PTFE seat for chemical resistance
• Low torque operation
• ISO5211 top flange for actuator mounting
• Available in multiple body and seat material combinations
• Wafer-style body with lug ears for pipeline installation
• PTFE seat/liner visible as white ring in body bore
• Lever handle with notched position bracket (positions marked 1–8 plus OPEN/CLOSE)
• Stainless steel stem with top and bottom stub-shaft configuration (parts 1–7 visible in sectional drawing)
• Body cast marking DN100 and CF8 (stainless steel grade CF8 / AISI 304)
• Pressure rating marking 150 Lb visible on stem neck
• Flanged drilling dimensions tabulated for PN10, PN16, ANSI 150 and JIS 10K standards

Notes

• Products hold up to 10 international authoritative certification certificates
• Diagram: Image 5: Sectional and end-view dimensional drawing of wafer butterfly valve showing parameters C (face-to-face), d0 (stem diameter), K (stem top square), E (bolt-circle diameter), z-Ød (bolt pattern), g (top flange diameter), h (top flange height), p (bottom stem length), D1 (flange OD), n-Ød1 (bolt holes), b (overall body width), l (stem top detail). Parts numbered 1–7 on cross-section.
• Diagram: Image 6: Dimension table correlating nominal size (inch and DN) with all geometric parameters and flange drilling for PN10, PN16, ANSI 150 and JIS 10K, covering DN50 to DN1200.

Description

A wafer-type butterfly valve with a PTFE seat, designed for flow control in engineering and water system applications. The compact wafer body installs between standard flanges and is available with body materials including cast iron, ductile iron, carbon steel, and stainless steel. Suitable for use in municipal water supply, industrial water circulation, HVAC, and wastewater treatment.