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The Mark 708 MAX product is a Diaphragm Operated Control Valve with a maximum flow coefficient of 10Cv from a 0.875 in diaphragm orifice. 

There are two Cv’s covered: 6.5 and 10. Class IV hard seats and Class VI soft seat with PEEK. Standard actuator is the 35M, with 3-15 and 6-30 bench sets, available for ATC / ATO. 

All positioners normally offered on the ¾” Mk708 are available on the Mk708 MAX. Optional end connection can be added as needed: BSPT, BSPP, and Welded Flanged Ends.
Features
  • Rolling diaphragm design ensures that the effective diaphragm area remains relatively constant, regardless of valve stem position
  • Spring-loaded TFE-Chevron packing maintains a proper compression while minimizing excessive friction
  • Bolted body/bonnet connection
  • Guide trim – extended orifice and plug guiding are standard and offers improved shutoff and accuracy equivalent to heavy duty trim options of competitors
  • Quick change trim

1 - 12 of 594 Part Numbers
708 MASP100BP/G6ACSA3B3D30D0G
708 MASP100BP/G6ACSA3B3D30D0G
  • Base Model - Side Mount Positioner
  • Size - 1"
  • End Connections - BSPP
  • Trim - 316SS/Graf.
  • Plug Seat - Standard - Linear Hard
  • Body Material - WCB Carbon Steel
  • Actuator - 35M
  • Diaphragm - Buna-N
  • Range/Action - 3-15 DIR
  • Accesories - None
  • Action - Air-to-Close
  • I/P - None
  • SMP - SMP - 16IQ-S Dir/Rev
708 MASP100BP/G6AS6A3B3D30D0G
708 MASP100BP/G6AS6A3B3D30D0G
  • Base Model - Side Mount Positioner
  • Size - 1"
  • End Connections - BSPP
  • Trim - 316SS/Graf.
  • Plug Seat - Standard - Linear Hard
  • Body Material - CF8M Stainless Steel
  • Actuator - 35M
  • Diaphragm - Buna-N
  • Range/Action - 3-15 DIR
  • Accesories - None
  • Action - Air-to-Close
  • I/P - None
  • SMP - SMP - 16IQ-S Dir/Rev
708 MASP100BP/G6BCSA3B3D30D0G
708 MASP100BP/G6BCSA3B3D30D0G
  • Base Model - Side Mount Positioner
  • Size - 1"
  • End Connections - BSPP
  • Trim - 316SS/Graf.
  • Plug Seat - Standard - =% Hard
  • Body Material - WCB Carbon Steel
  • Actuator - 35M
  • Diaphragm - Buna-N
  • Range/Action - 3-15 DIR
  • Accesories - None
  • Action - Air-to-Close
  • I/P - None
  • SMP - SMP - 16IQ-S Dir/Rev
708 MASP100BP/G6BS6A3B3D30D0G
708 MASP100BP/G6BS6A3B3D30D0G
  • Base Model - Side Mount Positioner
  • Size - 1"
  • End Connections - BSPP
  • Trim - 316SS/Graf.
  • Plug Seat - Standard - =% Hard
  • Body Material - CF8M Stainless Steel
  • Actuator - 35M
  • Diaphragm - Buna-N
  • Range/Action - 3-15 DIR
  • Accesories - None
  • Action - Air-to-Close
  • I/P - None
  • SMP - SMP - 16IQ-S Dir/Rev
708 MASP100BP/G6CCSA3B3D30D0G
708 MASP100BP/G6CCSA3B3D30D0G
  • Base Model - Side Mount Positioner
  • Size - 1"
  • End Connections - BSPP
  • Trim - 316SS/Graf.
  • Plug Seat - Standard - Q.O. Hard
  • Body Material - WCB Carbon Steel
  • Actuator - 35M
  • Diaphragm - Buna-N
  • Range/Action - 3-15 DIR
  • Accesories - None
  • Action - Air-to-Close
  • I/P - None
  • SMP - SMP - 16IQ-S Dir/Rev
708 MASP100BP/G6CS6A3B3D30D0G
708 MASP100BP/G6CS6A3B3D30D0G
  • Base Model - Side Mount Positioner
  • Size - 1"
  • End Connections - BSPP
  • Trim - 316SS/Graf.
  • Plug Seat - Standard - Q.O. Hard
  • Body Material - CF8M Stainless Steel
  • Actuator - 35M
  • Diaphragm - Buna-N
  • Range/Action - 3-15 DIR
  • Accesories - None
  • Action - Air-to-Close
  • I/P - None
  • SMP - SMP - 16IQ-S Dir/Rev
708 MASP100BP/T6ACSA3B3D30D0G
708 MASP100BP/T6ACSA3B3D30D0G
  • Base Model - Side Mount Positioner
  • Size - 1"
  • End Connections - BSPP
  • Trim - 316SS/Tef.
  • Plug Seat - Standard - Linear Hard
  • Body Material - WCB Carbon Steel
  • Actuator - 35M
  • Diaphragm - Buna-N
  • Range/Action - 3-15 DIR
  • Accesories - None
  • Action - Air-to-Close
  • I/P - None
  • SMP - SMP - 16IQ-S Dir/Rev
708 MASP100BP/T6AS6A3B3D30D0G
708 MASP100BP/T6AS6A3B3D30D0G
  • Base Model - Side Mount Positioner
  • Size - 1"
  • End Connections - BSPP
  • Trim - 316SS/Tef.
  • Plug Seat - Standard - Linear Hard
  • Body Material - CF8M Stainless Steel
  • Actuator - 35M
  • Diaphragm - Buna-N
  • Range/Action - 3-15 DIR
  • Accesories - None
  • Action - Air-to-Close
  • I/P - None
  • SMP - SMP - 16IQ-S Dir/Rev
708 MASP100BP/T6BCSA3B3D30D0G
708 MASP100BP/T6BCSA3B3D30D0G
  • Base Model - Side Mount Positioner
  • Size - 1"
  • End Connections - BSPP
  • Trim - 316SS/Tef.
  • Plug Seat - Standard - =% Hard
  • Body Material - WCB Carbon Steel
  • Actuator - 35M
  • Diaphragm - Buna-N
  • Range/Action - 3-15 DIR
  • Accesories - None
  • Action - Air-to-Close
  • I/P - None
  • SMP - SMP - 16IQ-S Dir/Rev
708 MASP100BP/T6BS6A3B3D30D0G
708 MASP100BP/T6BS6A3B3D30D0G
  • Base Model - Side Mount Positioner
  • Size - 1"
  • End Connections - BSPP
  • Trim - 316SS/Tef.
  • Plug Seat - Standard - =% Hard
  • Body Material - CF8M Stainless Steel
  • Actuator - 35M
  • Diaphragm - Buna-N
  • Range/Action - 3-15 DIR
  • Accesories - None
  • Action - Air-to-Close
  • I/P - None
  • SMP - SMP - 16IQ-S Dir/Rev
708 MASP100BP/T6CCSA3B3D30D0G
708 MASP100BP/T6CCSA3B3D30D0G
  • Base Model - Side Mount Positioner
  • Size - 1"
  • End Connections - BSPP
  • Trim - 316SS/Tef.
  • Plug Seat - Standard - Q.O. Hard
  • Body Material - WCB Carbon Steel
  • Actuator - 35M
  • Diaphragm - Buna-N
  • Range/Action - 3-15 DIR
  • Accesories - None
  • Action - Air-to-Close
  • I/P - None
  • SMP - SMP - 16IQ-S Dir/Rev
708 MASP100BP/T6CS6A3B3D30D0G
708 MASP100BP/T6CS6A3B3D30D0G
  • Base Model - Side Mount Positioner
  • Size - 1"
  • End Connections - BSPP
  • Trim - 316SS/Tef.
  • Plug Seat - Standard - Q.O. Hard
  • Body Material - CF8M Stainless Steel
  • Actuator - 35M
  • Diaphragm - Buna-N
  • Range/Action - 3-15 DIR
  • Accesories - None
  • Action - Air-to-Close
  • I/P - None
  • SMP - SMP - 16IQ-S Dir/Rev
1 - 12 of 594 Part Numbers

Specifications

Size

  • 1”
  • DN 25

Body Materials

  • B51 Bronze
  • WCB Carbon Steel
  • CF8M Stainless Steel

Bonnet Materials

  • CF8M Stainless Steel

Body Seals

  • Teflon Gasket

End Connections

  • FNPT Standard

Flow Capacity

  • 6.5 Cv
  • 10 cV

Shutoff

  • Class IV Hard Seats
  • Class VI Soft Seats
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