Type 1670 John Crane
Type 1670 John Crane

Features mechanical seal type 1670

  • California Residents: PROPOSITION 65 WARNING
  • API 682 qualification tested.
  • Easy-to-install cartridge design with registered fit.
  • Static secondary seals.
  • Segmented spring-loaded carbon throttle bushing for effective containment (optional).
  • Distributed flush optimizes circulation of liquid at the faces and prevents trapped vapor.
  • Available with a pumping ring when utilizing and API Plan 23. Pressures up to 300 psi(g)/20 bar(g).
  • API 682 design features.
  • Mating ring is a reaction-bonded silicon carbide standard or tungsten carbide nickel-bound option.
  • Premium-grade carbon primary ring.

Recommended Applications type 1670

  • Process pumps

About Mechanical seal type 1670

The Type 1670 is a factory pre-set edge-welded metal bellows API 682/ISO 21049 qualified cartridge seal with Alloy C-276 (UNS N10276) rotating welded metal bellows. The seal is available with either a fixed, floating or segmented bushing option with either a single-point or distributed flush arrangement. The Category III seals come with appropriate documentation in accordance with the API 682 specification. The cartridge arrangement greatly simplifies installation and maintenance and ensures trouble-free installation.

Design Features mechanical seal type 1670

  • API 682 qualification tested
  • Edge-welded metal bellows
  • Easy-to-install cartridge design with registered fit
  • Static secondary seals
  • Standard components
  • Segmented spring-loaded carbon throttle bushing for effective containment (optional)
  • Distributed flush optimizes circulation of liquid at faces and prevents trapped vapor
  • Available with a pumping ring when utilizing an API Plan 23

Material mechanical seal type 1670

  • Seat/Mating Ring:
    Silicon Carbide Reaction Bonded
  • Insert/Primary Ring
    Premium Grade Carbon
  • End Fittings
    Alloy C-276 (UNS N10276)
  • Bellows
    Alloy C-276 (UNS N10276)
  • Adaptive Hardware
    316 Stainless Steel (UNS 31600)
  • Static Seals
    Fluoroelastomer

Operating range mechanical seal type 1670

  • Temperature Limits
    -100°F to 500°F/-75°C to 260°C

  • Pressure Limits
    Vacuum to 300 psi(g)/20 bar(g)

  • Speed Limits
    5000fpm/25m/s

Product Description type 1670

Type 1670- Category 2 and 3, Type B, Arrangement 1 single rotating alloy C-276 (UNS N10276) bellows cartridge seal is available with a fixed, floating, or segmented bushing option with either a single point or distributed flush arrangement. Category 3 seals are provided the appropriate documentation in accordance with API 682.