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HOKE

Since 1855 Crane has been the world’s leading innovator and pioneer of practical flow control solutions addressing and exceeding our customers’ needs to enable them to operate better, faster and safer. Crane I&S, HOKE offers a comprehensive portfolio of instrumentation and sampling products and solutions.

  • Gyrolok Tube Fittings
  • Instrumentation Valves
  • Actuators
  • Flow and Fluid control components
  • Instrumentation Manifolds
  • HCQ Series Quick Couplings
  • Sampling Cylinders
  • Tools

HOKE® Precision Instrument Pipe Fittings are manufactured with reduced tolerance NPT tapered threads in a wide variety of configurations to provide broad application capabilities.

Ratings and specifications are as follows:

Threads utilised on HOKE® Precision Instrument Pipe Fittings are National Pipe Taper (NPT) which exceed the requirements of ANSI B1.20.1.

Pressure Ratings for temperatures up to 38°C (100°F) are identified for each individual pipe fitting in the dimensional data charts.

Temperatures noted below apply to basic fitting capabilities. In all cases consideration must also be given to the type of thread sealant used. For example, PTFE tape has a maximum temperature rating of 232°C (450°F).

316 Stainless Steel:  -198 to 648°C (-325 to 1200°F) Note: Prolonged exposure to temperature over 426°C (800°F) is not recommended.
Brass:  -198 to 204°C (-325 to 400°F)

Materials: HOKE® Precision Instrument Pipe Fittings are available as standard in Brass and 316 Stainless Steel. HOKE® Pipe Fittings can also be supplied in other materials including Monel®, Hastelloy® C276, Inconel®, Incoloy®, Duplex, Super Duplex and Titanium, as well and in special shapes. Specifications for standard materials are:

316 Stainless Steel Forgings: ASTM A-182
316 Stainless Steel Bar Stock: ASTM A-479
Brass Forgings, Alloy 377: QQ-B-626
Brass Bar Stock, Alloy 353: ASTM B-453
or Alloy 360: QQ-B-626

Heat Traceability: HOKE® Precision Instrument Pipe Fittings are heat code traceable in all alloys except brass with certified material test reports (CMTR’s) available on request.

Monel, Hastelloy, Inconel and Incoloy are registered trademarks.

  

PDF PRODUCT LITERATURE

 

HOKE NPT Full Bore Ball Valves   HOKE Precision Pipe Fittings
HOKE 7G Ball Valves   HOKE Ball Valves
HOKE Fluid Control Components   HOKE Industrial Ball Valves
HOKE Metering Valves   HOKE Needle Valves 
HOKE Prochem Valves Overview   HOKE ABV Ball Valves
 
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Picture of 20NPT MALE TEE HOKE 316
12MTP-316

20NPT MALE TEE HOKE 316

MTP Male Tee (male NPT all ports)
Picture of 15NPT X 100MM LG LONG HEX NIPPLE HOKE 316
8LNP-316/400

15NPT X 100MM LG LONG HEX NIPPLE HOKE 316

LNP Hex Long Nipple (male NPT both ends)
Picture of 20NPT X 8NPT REDUCING NIPPLE HOKE 316
12RNP4-316

20NPT X 8NPT REDUCING NIPPLE HOKE 316

RNP Hex Reducing Nipple (male NPT to reduced male NPT)
Picture of 10NPT HEX COUPLING HOKE 316
6CGP-316

10NPT HEX COUPLING HOKE 316

CGP Hex Coupling (female NPT both ends)
Picture of 8NPT X 6NPT REDUCING COUPLING HOKE 316
4RCGP2-316

8NPT X 6NPT REDUCING COUPLING HOKE 316

RCGP Reducing Coupling (female NPT to reduced female NPT)
Picture of 6NPT 90D STREET ELBOW HOKE 316
2SLP-316

6NPT 90D STREET ELBOW HOKE 316

SLP Street Elbow (female to male NPT)
Picture of 6NPT 90D MALE ELBOW HOKE 316
2MLP-316

6NPT 90D MALE ELBOW HOKE 316

MLP Male Elbow (male NPT both ends)
Picture of 10NPT X 8NPT 90D REDUCING STREET ELBOW HOKE 316
6RSLP4-316

10NPT X 8NPT 90D REDUCING STREET ELBOW HOKE 316

RSLP Reducing Street Elbow (female NPT reduced male NPT)
Picture of 6NPT MALE TEE HOKE 316
2MTP-316

6NPT MALE TEE HOKE 316

MTP Male Tee (male NPT all ports)
Picture of 6NPT STREET TEE HOKE 316
2STP-316

6NPT STREET TEE HOKE 316

STP Street Tee (female by male run/female branch)
Picture of 8NPT X 6NPT REDUCING NIPPLE HOKE 316
4RNP2-316

8NPT X 6NPT REDUCING NIPPLE HOKE 316

RNP Hex Reducing Nipple (male NPT to reduced male NPT)
Picture of 6NPT HEX NIPPLE HOKE 316
2NP-316

6NPT HEX NIPPLE HOKE 316

NP Hex Nipple (male NPT both ends)
Picture of 8NPT X 100MM LG LONG HEX NIPPLE HOKE 316
4LNP-316/400

8NPT X 100MM LG LONG HEX NIPPLE HOKE 316

LNP Hex Long Nipple (male NPT both ends)
Picture of 10NPT X 50MM LG LONG HEX NIPPLE HOKE 316
6LNP-316/200

10NPT X 50MM LG LONG HEX NIPPLE HOKE 316

LNP Hex Long Nipple (male NPT both ends)
Picture of 15NPT X 80MM LG LONG HEX NIPPLE HOKE 316
8LNP-316/300

15NPT X 80MM LG LONG HEX NIPPLE HOKE 316

LNP Hex Long Nipple (male NPT both ends)
Picture of 8NPT X 65MM LG LONG HEX NIPPLE HOKE 316
4LNP-316/250

8NPT X 65MM LG LONG HEX NIPPLE HOKE 316

LNP Hex Long Nipple (male NPT both ends)
NPT 2-Piece Standard Port Ball Valve
7510F12Y

20NPT 2000WOG STANDARD PORT BALL VALVE HOKE CF8M TAPPED MOUNT PAD

2-Piece Standard Port Ball Valves, Threaded 20NPT Ends, 2000PSI (138 Bar) W.O.G.
Picture of 3.2MM HOKE PRE-SETTING TOOL
2PST

3.2MM HOKE PRE-SETTING TOOL

Used strictly for pre-assembling ferrules to tubing.
Threads of pre-setting tools should be lubricated the very first time and relubricated every tenth time thereafter.
Technical Information
Picture of 12.7MM HOKE PRE-SETTING TOOL
8PST

12.7MM HOKE PRE-SETTING TOOL

Used strictly for pre-assembling ferrules to tubing.
Threads of pre-setting tools should be lubricated the very first time and relubricated every tenth time thereafter.
Technical Information
Picture of 6.3MM HOKE PRE-SETTING TOOL
4PST

6.3MM HOKE PRE-SETTING TOOL

Used strictly for pre-assembling ferrules to tubing.
Threads of pre-setting tools should be lubricated the very first time and relubricated every tenth time thereafter.
Technical Information
Picture of 9.5MM HOKE PRE-SETTING TOOL
6PST

9.5MM HOKE PRE-SETTING TOOL

Used strictly for pre-assembling ferrules to tubing.
Threads of pre-setting tools should be lubricated the very first time and relubricated every tenth time thereafter.
Technical Information
Picture of 25.4MM HOKE PRE-SETTING TOOL
16PST

25.4MM HOKE PRE-SETTING TOOL

Used strictly for pre-assembling ferrules to tubing.
Threads of pre-setting tools should be lubricated the very first time and relubricated every tenth time thereafter.
Technical Information
Picture of HOKE DEPTH GAUGE SUIT 6.35MM 9.5MM & 12.7MM
468GMT

HOKE DEPTH GAUGE SUIT 6.35MM 9.5MM & 12.7MM

Tube fitting users have long recognized that proper tube and tube fitting system function requires good tubing preparation followed by the use of correct installation procedures. Improper ferrule set in any flareless tube and fitting system may be the result of burrs created during the tube cutting process, improper tube insertion into the fitting, or inadequate tightening of the fitting nut. In order to maximize tube and fitting system performance and safety, HOKE offers several tool options
Picture of 19.1MM HOKE DEPTH GAUGE
12GMT

19.1MM HOKE DEPTH GAUGE

The Gyrolok® Marking Tool provides the installer with an economical means of ensuring both proper tubing insertion into the fitting and adequate nut tightening.
Technical Information
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