Butt Weld Control Valves

Stop Check Valves
from Armstrong International

Low pressure drop refrigerant stop check valves are butt-weldable directly to steel piping, thereby eliminating potential leaky flanges or threaded joints and simplifying installation. The important features of these valves are non-leak packing and have a back seat design. In valve open position, if... [See More]

  • Connection Description: Butt Weld
  • Maximum Pressure: 365.00
  • Valve Type: Relief
  • Number of Ports: 2
151/301 Series Wafer Valve
from Flowserve Corporation

Series 151/301 valves offer low maintenance costs yet the valves offer all the advantages of the Series 51/52 flanged valves. This includes downstream sealing, low operating torque, easily removed end plug, engineered packing design and patented seat designs. [See More]

  • Connection Description: Butt Weld
  • Actuation: Electric (optional feature); Pneumatic (optional feature)
  • Valve Type: Ball
  • Valve Size: 3.00 to 6.00
Start and Stop Control Valve -- ZJSVA/ZXSVA
from KSB AG

Design. Start and stop control valve with pressure seal bonnet, billet forged body, seats made of wear and corrosion resistant stellite, rigid throttling plug / stem connection for high differential pressures. Applications. In industrial plants, power stations, process engineering and shipbuilding. [See More]

  • Connection Description: Butt Weld
  • Valve Size: 2.56 to 9.84
  • Actuation: Electric (optional feature); Pneumatic (optional feature)
  • Maximum Pressure: 8702.26
Bellows Seal Control Valves
from Velan, Inc.

Severe service control valves for extreme temperature applications. Features and benefits. SERVICE RANGE: • Temperature: -457.6 to 356 °F (-272 to 180 °C). DESIGN FEATURES: • Resilient stainless steel design. • Temperatures down to 1.2 K (super-fluid He). • Very low "Heat... [See More]

  • Connection Description: Butt Weld; Butt weld
  • Valve Size: 0.12 to 8.00
  • Valve Type: Butterfly
  • Media: Water; Wastewater