Control and ON/OFF valve for exact control of very small flows. Also available with 3-way construction.

Nominal diameter

• DN 4-25
• 1/4" - 1"

Nominal pressure

• PN 16/40/63
• ANSI Class 150/300

* Special rating PN100/250 (ANSI 600) on request

Construction

• single-ported 2/3 way valve
• control of ON/OFF
• matel or soft seat

Bonnet

• standard
• finned and extended
• extended for cryogenic use
• extended with bellows seals

Medium temperature range

• -196°C .. +350°C

Flow characteristic, Kvs values

• linear, equal-percentage or on-off
• 0,009 - 10 [m3/h]

Class of tightness (IEC 60 534 – 4)

• class IV - VI for metal seat
• class VI - optional for soft seat

Body material

• stainless steel AISI316L

* other materials on request

Plug and seat material

• stainless steel AISI316L (for seat also AISI316Ti possible)
• possible hardening by stellit
• insert plastic material for soft seal

* other materials on request

End connections

• flanged UNI PN16/40/63 RF (DN15-25)
• flanged ANSI 150/300 RF (DN15-25)
• thread FF 1/4" - 3/8" - 1/2" - 3/4" - 1"
• Welding connection BW and SW

* other connections on request

Actuators

• pneumatic with diaphragm (max 3bar)
• pneumatic with piston (max 10bar)
• electric
• manual

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Production program