Model: 657 (Pull Twist Knob w/LOTO), Material: S (316L SS Secondary Remelt), Surface Finish: M [10 μin. (0.25 μm)], Ports: 2PW [2 Ports (1-In; 2-Out)], Connection 1: FV4 (1/4 Inch Face Seal, Female), Connection 2: FV4 (1/4 Inch Face Seal, Female), Connection 3: No Port, Connection 4: No Port, Face to Face Dimension: 2.12 Inch (53.8 mm) Standard for TW4; or Not Applicable to All Other Connections

Model: 657 (Pull Twist Knob w/LOTO), Material: S (316L SS Secondary Remelt), Surface Finish: M [10 μin. (0.25 μm)], Ports: 2PW [2 Ports (1-In; 2-Out)], Connection 1: FV4 (1/4 Inch Face Seal, Female), Connection 2: MV4 (1/4 Inch Face Seal, Male), Connection 3: No Port, Connection 4: No Port, Face to Face Dimension: 2.12 Inch (53.8 mm) Standard for TW4; or Not Applicable to All Other Connections

Model: 657 (Pull Twist Knob w/LOTO), Material: S (316L SS Secondary Remelt), Surface Finish: M [10 μin. (0.25 μm)], Ports: 2PW [2 Ports (1-In; 2-Out)], Connection 1: MV4 (1/4 Inch Face Seal, Male), Connection 2: MV4 (1/4 Inch Face Seal, Male), Connection 3: No Port, Connection 4: No Port, Face to Face Dimension: 2.12 Inch (53.8 mm) Standard for TW4; or Not Applicable to All Other Connections

Model: 657 (Pull Twist Knob w/LOTO), Material: S (316L SS Secondary Remelt), Surface Finish: M [10 μin. (0.25 μm)], Ports: 2PW [2 Ports (1-In; 2-Out)], Connection 1: TW4 (1/4 Inch Tube Weld), Connection 2: FV4 (1/4 Inch Face Seal, Female), Connection 3: No Port, Connection 4: No Port, Face to Face Dimension: 2.12 Inch (53.8 mm) Standard for TW4; or Not Applicable to All Other Connections

.); 125 psig (0.9 MPa)], Material: S (316L SS Secondary Remelt), Surface Finish: M [10 μin. (0.25 μm)], Ports: 2PW [2 Ports (1-In; 2-Out)], Connection 1: MV6 (3/8 Inch Face Seal, Male), Connection 2: FV6 (3/8 Inch Face Seal, Female), Connection 3: No Port, Connection 4: No Port, Face to Face Dimensions: 2.12 Inch (53.8 mm) Standard for TW4; or Not Applicable to All Other Connections, Seat

.); 125 psig (0.9 MPa)], Material: S (316L SS Secondary Remelt), Surface Finish: M [10 μin. (0.25 μm)], Ports: 2PW [2 Ports (1-In; 2-Out)], Connection 1: TW4 (1/4 Inch Tube Weld), Connection 2: TW4 (1/4 Inch Tube Weld), Connection 3: No Port, Connection 4: No Port, Face to Face Dimensions: 2.12 Inch (53.8 mm) Standard for TW4; or Not Applicable to All Other Connections, Seat Material: PCTFE

.); 250 psig (1.7 MPa)], Material: S (316L SS Secondary Remelt), Surface Finish: M [10 μin. (0.25 μm)], Ports: 2PW [2 Ports (1-In; 2-Out)], Connection 1: TW4 (1/4 Inch Tube Weld), Connection 2: TW4 (1/4 Inch Tube Weld), Connection 3: No Port, Connection 4: No Port, Face to Face Dimensions: 2.12 Inch (53.8 mm) Standard for TW4; or Not Applicable to All Other Connections, Seat Material: PCTFE

Model: 657 (Pull Twist Knob w/LOTO), Material: S (316L SS Secondary Remelt), Surface Finish: M [10 μin. (0.25 μm)], Ports: 2PW [2 Ports (1-In; 2-Out)], Connection 1: TW4 (1/4 Inch Tube Weld), Connection 2: TW4 (1/4 Inch Tube Weld), Connection 3: No Port, Connection 4: No Port, Face to Face Dimensions: 2.12 Inch (53.8 mm) Standard for TW4; or Not Applicable to All Other Connections, Seat

Model: 657 (Pull Twist Knob w/LOTO), Material: S (316L SS Secondary Remelt), Surface Finish: M [10 μin. (0.25 μm)], Ports: 2PW [2 Ports (1-In; 2-Out)], Connection 1: TW6 (3/8 Inch Tube Weld), Connection 2: TW6 (3/8 Inch Tube Weld), Connection 3: No Port, Connection 4: No Port, Face to Face Dimensions: 2.12 Inch (53.8 mm) Standard for TW4; or Not Applicable to All Other Connections, Seat

Model: 657 (Pull Twist Knob w/LOTO), Material: S (316L SS Secondary Remelt), Surface Finish: M [10 μin. (0.25 μm)], Ports: 2PW [2 Ports (1-In; 2-Out)], Connection 1: TW4 (1/4 Inch Tube Weld), Connection 2: FV4 (1/4 Inch Face Seal, Female), Connection 3: No Port, Connection 4: No Port, Face to Face Dimensions: 2.12 Inch (53.8 mm) Standard for TW4; or Not Applicable to All Other Connections

Model: 657 (Pull Twist Knob w/LOTO), Material: S (316L SS Secondary Remelt), Surface Finish: M [10 μin. (0.25 μm)], Ports: 2PW [2 Ports (1-In; 2-Out)], Connection 1: MV6 (3/8 Inch Face Seal, Male), Connection 2: FV6 (3/8 Inch Face Seal, Female), Connection 3: No Port, Connection 4: No Port, Face to Face Dimensions: 2.12 Inch (53.8 mm) Standard for TW4; or Not Applicable to All Other Connections

Model: 625 (1/4 Turn Lever Knob), Material: S (316L SS Secondary Remelt), Surface Finish: M [10 μin. (0.25 μm)], Ports: 2PW [2 Ports (1-In; 2-Out)], Connection 1: MV6 (3/8 Inch Face Seal, Male), Connection 2: FV6 (3/8 Inch Face Seal, Female), Connection 3: No Port, Connection 4: No Port, Face to Face Dimensions: 2.12 Inch (53.8 mm) Standard for TW4; or Not Applicable to All Other Connections

Model: 625 (1/4 Turn Lever Knob), Material: S (316L SS Secondary Remelt), Surface Finish: M [10 μin. (0.25 μm)], Ports: 2PW [2 Ports (1-In; 2-Out)], Connection 1: TW4 (1/4 Inch Tube Weld), Connection 2: TW4 (1/4 Inch Tube Weld), Connection 3: No Port, Connection 4: No Port, Face to Face Dimensions: 2.12 Inch (53.8 mm) Standard for TW4; or Not Applicable to All Other Connections, Seat Material

.); 250 psig (1.7 MPa)], Material: S (316L SS Secondary Remelt), Surface Finish: M [10 μin. (0.25 μm)], Ports: 2PW [2 Ports (1-In; 2-Out)], Connection 1: MV4 (1/4 Inch Face Seal, Male), Connection 2: MV4 (1/4 Inch Face Seal, Male), Connection 3: No Port, Connection 4: No Port, Face to Face Dimensions: 2.12 Inch (53.8 mm) Standard for TW4; or Not Applicable to All Other Connections, Seat

Delivery Pressure: 06 [2 to 60 psig (0.014 to 0.4 MPa)], Material: SH (Body: 316L SS Secondary Remelt; Poppet: Hastelloy® C-22; Diaphragm: Hastelloy® C-22; Nozzle: Hastelloy® C-22), Surface Finish: M [10 μin. (0.25 μm)], Ports: 4PW [4 Ports (1-In; 2-Out; 3-Gauge Port In; 4-Gauge Port Out)], Connections, Inlet: FV4 (1/4 Inch Face Seal, Female), Connections, Outlet: FV4 (1/4 Inch Face

Delivery Pressure: 02 [1 to 30 psig (0.007 to 0.2 MPa)], Material: SH (Body: 316L SS Secondary Remelt; Poppet: Hastelloy® C-22; Diaphragm: Hastelloy® C-22; Nozzle: Hastelloy® C-22), Surface Finish: M [10 μin. (0.25 μm)], Ports: 2PW [2 Ports (1-In; 2-Out)], Connections, Inlet: FV4 (1/4 Inch Face Seal, Female), Connections, Outlet: MV4 (1/4 Inch Face Seal, Male), Gauge Port, Inlet: No

Delivery Pressure: 02 [1 to 30 psig (0.007 to 0.2 MPa); Sub-atmospheric : 100mm Hg absolute to 30 psig (-88kPa to 0.2MPa)], Material: SH (Body: 316L SS Secondary Remelt; Poppet: Hastelloy® C-22; Diaphragm: Hastelloy® C-22; Nozzle: Hastelloy® C-22), Surface Finish: M [10 μin. (0.25 μm)], Range Options: A (Sub-atmospheric), Ports: 2PW [2 Ports (1-In; 2-Out)], Connections, Inlet: TW4 (1

Delivery Pressure: 06 [2 to 60 psig (0.014 to 0.4 MPa)], Material: SH (Body: 316L SS Secondary Remelt; Poppet: Hastelloy® C-22; Diaphragm: Hastelloy® C-22; Nozzle: Hastelloy® C-22), Surface Finish: M [10 μin. (0.25 μm)], Range Options: Standard, Ports: 2PW [2 Ports (1-In; 2-Out)], Connections, Inlet: FV4 (1/4 Inch Face Seal, Female), Connections, Outlet: FV4 (1/4 Inch Face Seal, Female

Delivery Pressure: 06 [2 to 60 psig (0.014 to 0.4 MPa)], Material: SH (Body: 316L SS Secondary Remelt; Poppet: Hastelloy® C-22; Diaphragm: Hastelloy® C-22; Nozzle: Hastelloy® C-22), Surface Finish: M [10 μin. (0.25 μm)], Range Options: A (Sub-atmospheric), Ports: 2PW [2 Ports (1-In; 2-Out)], Connections, Inlet: FV4 (1/4 Inch Face Seal, Female), Connections, Outlet: FV4 (1/4 Inch Face

Delivery Pressure: 06 [2 to 60 psig (0.014 to 0.4 MPa)], Material: SH (Body: 316L SS Secondary Remelt; Poppet: Hastelloy® C-22; Diaphragm: Hastelloy® C-22; Nozzle: Hastelloy® C-22), Surface Finish: M [10 μin. (0.25 μm)], Range Options: A (Sub-atmospheric), Ports: 2PW [2 Ports (1-In; 2-Out)], Connections, Inlet: TW4 (1/4 Inch Tube Weld), Connections, Outlet: TW4 (1/4 Inch Tube Weld),