Butterfly valve / DN250 / PN10/16 ANSI 150# / EPDM / Serie 30 / Resilient seated / Wafer / UC

Butterfly valve / DN250 / PN10/16

The Serie 30 Wafer style resilient seated UC butterfly valve has a reduced disc diameter to decrease seating torques and extends seat life, thus increasing the valve's performance and reducing actuator costs. It is suitable for low-pressure (50 psi) applications.

The Bray Serie 30 Wafer style resilient seated butterfly valve features a one-piece body with a high-strength through-stem design utilizing an internal disc-to-stem connection.

The Serie 30 butterfly valves are easily automated for on-off or modulating service.

Positive

  • High strength one piece stem design
  • Efficient internal disc to stem connection

Specifications

Product

Built-in length
63.5 mm
Width
324 mm
Height
505 mm
Weight
22 kg
Nominal inner diameter (NPS/DN)
NPS 10" (DN250)

Application

Butterfly valve seat class
Class B (General service)
Connection type
Wafer type
Valve operation
Bare stem

Properties

Temperature range
-29 to 121 ℃
Safety norm
EN ISO 20471
Pressure class
ANSI Class 150
Valve design
Centric
Pressure rating flange
PN10, PN16

Remarks

Shutoff rating
Bi-directional Air Bubble Tight
Housing seat
Interchangeable

Materials

Seat material
EPDM
Spindle material
Stainless steel 416
Housing material
Cast Iron (GG25) polyester coated
Surface protection
Polyester coated
Disk material
Ductile iron (GGG40) + nylon-11 coated

Quality

Testing standard
MSS SP-61, API 598, EN 12266-1
Design standard
MSS SP-67, API 609, Category A
Norm type
(EN) DIN

Capacity

Type of disc
Reduced (undercut)
Maximum allowable operating pressure
3.4 Bar
This package contains:
  • Butterfly valve bare stem
Excluded from purchase:
  • Any form of propulsion
Documents
  • weights-dimensions-butterfly-valve-serie-30-31-bray-series-30-31-weights-dimensions.pdf Download
  • product-brochure-butterfly-valve-serie-30-31-bray-b-1050-resilient-valves-2020-08.pdf Download
  • technical-sales-manual-butterfly-valve-serie-30-31-bray-tm-1050-resilient-08-16-19.pdf Download
  • bolting-guide-butterfly-valve-serie-30-31-bray-bolting-wo-washers-rev-3-2-20-2019.pdf Download
  • iom-manual-butterfly-valve-serie-30-31-bray-om-resil-2012-08.pdf Download
  • recommended-specs-butterfly-valve-serie-30-31-bray-en-rss-series-30-31-20220518.pdf Download
  • safety-manual-butterfly-valve-serie-30-31-bray-sm-1002-resilient-safety-manual-08-2017.pdf Download

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