Marwin Valve products

The ER Series electric actuators provide economical, compact electrical automation for quarter-turn valves.

A full range of double acting and spring return actuators designed to NAMUR for air supply ports and top mounting with ISO 5211 for base mounting patterns.

Two Piece Brass Ball Valves. Cast brass body. Stainless Steel ball and stem. Blow-out proof stem. Reinforced PTFE seats. PTFE stem packing. 100% tested. Lever operator.

High integrity hot forged brass body. Blow-out proof stem. PTFE seals. Adjustable PTFE packing with stem O-ring. 100% tested. Lever operated.

Characterized control valve with v-port ball. Investment cast body construction. ISO 5211 actuator mounting pad. Blow-out proof stem. Reinforced PTFE seats. Graphic packing. API 598 inspection and testing. API 607 5th Edition fire tested. Locking lever operator.

The Cv3000 is a V-type control valve for precise control allowing high pressure drop capability with straight through flow and bubble-tight shut-off. Materials of construction for the valve or insert include Hastelloy B, Alloy 20, Hastelloy C, Bronze, Monel, Carbon Steel, Stainless Steel and other special materials such as Duplex, 254 SMO and Titanium. A variety of seat materials are available including PTFE, Carbon or Stainless filled PTFE, Delrin or Peek.

High integrity hot forged brass body. ISO 5211 actuator mounting pad. Blow-out proof stem. PTFE seats, o-ring backed. Low operating torque. O-ring stem seals. 100% tested.

Investment cast body construction. ISO 5211 actuator mounting pad. Blow-out proof stem. PTFE seats, O-ring backed low operating torque. O-ring stem seals. 100% tested.

Threaded-in and seal-welded body – end cap joint. ISO 5211 mounting pad. Locking handle standard. Blowout-proof stem design. Fire safe API 607 5th/6th edition (with Delrin seats). Pressures up to 6000 psi. Female NPT threaded ends per ASME B1.20 standard. Body material: ASTM CF8M (DIN 1.4408) standard. Seal material: Delrin seats and graphite packing. Size range: 1/4″ – 2″.

Fire Safe, Full & Reduced Port, 3 Piece Ball Valve. The 3000 Series soft seat valve is engineered for high pressure applications and has built-in versatility, offering a variety of seat/seals, body materials and end connections. It is ideal for applications with pressures up to 4000 psi (275 bar) and temperatures to 600°F (315°C). Available with integral extended ends with "heat sink" construction allowing in-place welding without damage to seats and seals.