FasTest TwistMate Series User Manual

O-RING

FINGER

-

TIGHT TO TEST PIECE

OPERATING INSTRUCTIONS

MET / METH Connectors

DESCRIPTION: Quick connectors for Male Threads.

PISTON ACTION

THREAD ON ACTUATION

MAIN SEAL

TEST PRESSURE

LOW PATH

F

PRESSURE PISTON

THREADED SLEEVE

CUSTOMER TEST PIECE

MET CONNECTOR MET CONNECTOR W/TEST PIECE

Please thoroughly read the instructions prior to operating the connector. The
Connectors are designed to provide a safe, reliable leak-tight seal and connection when properly
maintained and operated.

• The connector is designed to mate with a specific application. Verify the application prior
to the introduction of pressure or processing. Use only in a safe environment. Safety chains
and guards are recommended for all applications.

• Connectors are NOT designed for permanent connections and are for temporary
connections only. Inadvertent loosening and loss of media may result when used as a
permanent connection.

• Connectors are not internally valved and will not prevent loss of media when disconnected.

• DO NOT EXCEED pressure rating as marked on connector or corresponding literature.

Operating pressure rating based on tests using NPTF threads to (SAE J476a Dryseal
Specifications) of cold drawn steel. Material or thread deviations may reduce working
pressure and should be verified by test.

OPERATION:

1. Fasten connector securely to supply line or manifold by threading connector
wrench-tight using wrench flats on body.

2. Thread connector finger-tight onto test piece until Main Seal contacts test
piece.

3. Apply pressure to . Connector will automatically seal when internal pressure
is applied.

4. Perform evacuation / filling operations.

5. To remove, release pressure and thread off connector from test piece.

CONNECTOR MAINTENANCE:

• A daily, weekly and periodic inspection of the connector by competent person is recommended.

o User must establish a regular interval for maintenance as determined by the user media and

operational environment.

o Inspection should include damage to the body missing or loose components, leak tightness,

• Inspect threads for wear.

• Use only original FasTest spare parts that are designed for the application and are subject to strict

• FasTest recommends a daily visual inspection of the main seal located in the front of the piston.

• Lubricate on regular intervals under normal operating conditions. Lubrication should be

ease of operation, sufficient lubrication, wear, dirt accumulation and damage.

quality control. See warranty.

Inspect for tears or cracks in the seal surface. Replace the main seal if tears or cracks are visible.

compatible with user application.

SLEEVE

MAIN SEAL

PISTON

BACK-UP

RING

BACK-UP

BODY

WRENCH FLATS

FasTest, Inc. Product Warranty

FasTest, Inc. warrants its products against defects
Inc. This warranty is void if the product is misused, tampered with or used in a manner that is not in accordance with FasTest, Inc.
recommendations and/or instructions. FasTest, Inc. is not liable for consequential or other damages including, but not limited to, loss,
damage, personal injury, or any other expense directly or indirectly arising from the use of or inability to use its products either
separately or in combination with other products. ALL OTHER WARRANTIES EXPRESSED OR IMPLIED, WHETHER ORAL OR
WRITTEN, INCLUDING BUT NOT LIMITED TO WARRANTIES OR MERCHANTABILITY OR FITNESS FOR A PARTICULAR
PURPOSE ARE EXPRESSLY EXCLUDED.
Remedy under this warranty is limited to replacement of the product or an account credit in the amount of the original selling price, at
the option on FasTest, Inc. All allegedly defective products must be returned prepaid transportation to FasTest, Inc. along with
information describing the products performance, unless disposition in the field is authorized in writing by FasTest, Inc.

of workmanship and/or material for 12 months from the date of the sale by FasTest,

www.fastestinc.com

Roseville, MN
Ph 1-800-444-2373

Fax [phone]

PAT# 4,688,830 WP095 4/2009

RETAINING RING