ITT Habonim Z77/78 – Z77/78T Series Metal Seated Ball Valves

Product Benefits

  • Z77/78 – Z77/78T series Full port
  • Size range ½”- 2″ (DN15 – DN50) PN16
  • Size range 3”- 8″ (DN80 – DN200) PN40
  • Pressure range DIN PN16 | Vacuum 10-6 Tor to 16 bar (230 psi)
  • Pressure range DIN PN40 | Vacuum 10-6 Tor to 40 bar (580 psi)
  • End connections Flanged
  • Operation Lever or gear operated, pneumatic or electric actuated

Certifications

  • PED 2014/68/EU Module H Pressure equipment directive
  • ATEX 2014/34/EU equipment and protective systems intended for use in potentially explosive atmospheres (optional for actuated unit only)
  • IEC 61508-2 SIL 2/3 Safety integrity level – functional safety of electrical/electronic/programmable electronic safety-related systems (optional for actuated unit only)
  • API 607, ISO 10497 Testing of valves – Fire type-testing requirements

Technical Data

Design features up to 650 °C / 1200 °F

Basic design

Temperature range: -60 °C to +400 °C (-76 °F to +752 °F)

Surface treatment: LTPN

Materials: Stainless steel A351 CF8M/CF3M, A479 316/316L, Carbon steel A216 WCB, A105, A350 LF2

T design

Temperature range -60 °C to +538 °C (-76 °F to +1000 °F)

Coating HVOF Cr3C2 (Chromium Carbide), HVOF WC-Co (Tungsten Carbide) and Stellite

Materials Stainless steel A351 CF8M/CF3M, A479 316/316L, carbon steel A216 WCB, A105, A350 LF2

T design

Temperature range -60 °C to +650 °C (-76 °F to +1200 °F)

Coating HVOF Cr3C2 (Chromium Carbide)

Materials Stainless steel A479 321/321H, A182 F22

Operation

Lever or gear operated, pneumatic or electric actuated

Body

  • Full port design
  • Unidirectional
  • High flow capacity and minimum turbulence
  • Fire safe design to API 607 and ISO 10497

Ball and metal seats set

  • Leak rate to EN12266-1 Rate B (factory tested) is achieved by accurate grinding and lapping processes
  • Surface treatments and coatings available for superb corrosion and abrasion resistance
  • Habonim’s unique surface treatment, LTPN (Low Temperature Plasma carbo-Nitriding).
  • Constant preload of ball/seats set obtained by Inconel 718 Belleville spring
  • Low operating torque

Stem

  • Blowout-proof design
  • Solid one-piece
  • Tight stem-to-ball engagement
  • High torque durability
  • Live loaded stem seal

Minimum thermal expansion

  • One size up and shorter body bolts
  • Additional spring washers

Tongue & groove labyrinth design

  • Zero leakage into the atmosphere
  • Full compression of encapsulated body seal
  • Accurate alignment of all parts

Application

  • Isolation of fuel, oil and natural gas furnace applications.
  • Critical high-temperature process applications.
  • Highly erosion and abrasive applications
  • High-Pressure Steam Isolation
  • Superheated steam Isolation

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