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Phidix Motion Controls (Shanghai) Co., Ltd.

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threaded-hydraulic-quick-couplings-cb-sps-6fm-ptr

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Brand Name :	Carterberg
Model Number :	CB-SP-6FN-PTR
Certification :	IATF16949
Price :	Negotiation
Payment Terms :	L/C,D/A,D/P,T/T,Western Union
Supply Ability :	5000~20000 pc/month
Delivery Time :	7-20 work days

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Product Details
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threaded-hydraulic-quick-couplings-cb-sps-6fm-ptr

CB-SP-6FN-PTR Threaded Flat Face Hydraulic Quick Coupling – Anti-Blowout Design | Carterberg

Product Overview

The CB-SP-6FN-PTR quick coupling from Carterberg is a flat face valve design combined with a threaded sleeve locking mechanism, engineered for demanding hydraulic applications where cleanliness and safety matter. Built with zinc-plated carbon steel and precision-machined internals, it delivers low leakage, blowout protection, and secure connection in high-vibration environments.

Key Features

• Flat face valve minimizes fluid spillage and air inclusion during disconnection, ideal for overhead hydraulic applications.

• Threaded sleeve lock provides robust mechanical retention to prevent accidental disconnection under vibration or external impact.

• Anti-blowout bonded seal prevents internal damage or seal loss during high-pressure disconnects.

• Dirt-resistant sleeve cover keeps the retaining ring and locking components clean, ensuring smooth operation over time.

• Zinc-plated finish with yellow chromate coating provides extended corrosion resistance in aggressive environments.

• Compact design with no internal poppet separation allows quick and easy flushing and maintenance.

• Fully compatible with NITTO 350 series couplings.

Construction & Design

The internal guiding structure is designed to reduce the ingress of debris during connection or disconnection. The rotating sleeve engages a spring-loaded dust seal to protect the retaining ring area. Compact profile fits standard hydraulic thread ports, enabling quick coupling even in tight spaces.

Technical Specifications

Parameter	Value
Body Sizes Available	1/4", 3/8"
Rated Pressure	5000 PSI
Rated Flow	3 GPM (1/4") / 6 GPM (3/8")
Temperature Range	-20°C to +120°C
Spillage (max per connect)	0.015 mL
Air Inclusion (max)	0.020 mL
Seal Material	NBR
Locking Mechanism	Threaded Sleeve (manual rotation)
Valve Structure	Flat Face (no residual trap)

Dimensional Overview

Female (Socket)

PART NO.	LS	ΦD	HEX1	A	T
CB-S2S-6FN-PTR	59.3	30.4	27	14	ZG1/4 NPT1/4
CB-S3S-6FN-PTR	71.1	31.5	30	16	ZG3/8 NPT3/8

Male (Plug)

PART NO.	LP	C	HEX2	A	T
CB-P2S-6FN-PTR	64	20.5	19	14	ZG1/4 NPT1/4
CB-P3S-6FN-PTR	71	25.5	24	16	ZG3/8 NPT3/8

Application Scenarios

The CB-SP-6FN-PTR is ideal for:

• Hydraulic systems in power transmission maintenance (e.g., overhead bucket tools)

• Railway and mining equipment where fluid cleanliness and blowout risk must be minimized

• High-pressure construction tools requiring frequent connection/disconnection

• Any hostile environment requiring minimal leakage and reliable threaded locking

Why It Matters

Unlike traditional ball valve thread-to-connect couplers, the CB-SP-6FN-PTR employs a flat-face valve structure, drastically reducing residual fluid loss and contamination. The sleeve-locking threaded mechanism ensures no accidental disconnection during operation, even under strong vibration or torque. For engineers and technicians prioritizing leak prevention and operational safety, this model offers a superior alternative.

Future Categorization

This product will later be moved into Carterberg’s Thread-to-Connect Hydraulic Coupling category. Additional sizes and sealing options will be made available.


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