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Heavy Duty Grout Sleeve Rebar Coupler for Infrastructure Projects

Customization: Available
After-sales Service: 12 Months
Warranty: 12 Months

Product Description

Overview - Basic Info
Model NO. JYY
Application Machine Parts, Transportation, Building
Certification CCC, CE, ISO
Surface Treatment Yes
Technics Casting
Material Steel
Type Grout Sleeve
Weight (Kg) 1.2-3.1
Reinforcement Diameter 12-25mm
Delivery Time 3-15 Days
Service OEM, ODM
Transport Package Carton or Customized
Specification Receive customization
Origin China
Production Capacity 50000 Pieces/Month
Packaging & Delivery
Package Size 50.00cm * 50.00cm * 50.00cm
Package Gross Weight 25.000kg
Product Parameters
Model Connected Rebar Diameter (mm) D (mm) L (mm) Grout Sleeve Inner Diameter (d) (mm) L1 (mm) L2 (mm) L3 (mm) Rebar Insertion at End A (mm) Rebar Insertion at End B (Lower Limit) (mm) Rebar Insertion at End B (Upper Limit) (mm) Weight (KG)
GTQ4Z 12 12 44 250 32 118 45 28 124 96 116 1.2
GTQ4Z 14 14 46 280 34 132 45 28 139 112 132 1.4
GTQ4Z 16 16 48 310 36 147 45 28 156 128 148 1.6
GTQ4Z 18 18 50 340 38 167 45 28 170 144 164 1.84
GTQ4Z 20 20 52 370 40 178 45 28 185 160 180 2.1
GTQ4Z 22 22 55 405 42 195 45 28 203 176 196 2.8
GTQ4Z 25 25 59 450 46 218 45 28 225 200 220 3.1
Detailed Photos
Heavy Duty Grout Sleeve Rebar Coupler Detail View 1
Heavy Duty Grout Sleeve Rebar Coupler Detail View 2
Heavy Duty Grout Sleeve Rebar Coupler Structure Diagram
Product Description
SPHEROIDAL GRAPHITE CAST IRON FULL-GROUTING SLEEVE
The cast iron semi grouted sleeve and fully grouted sleeve are made of QT600-3 high-grade ductile iron, offering high material strength and excellent corrosion resistance.
The design of the sleeve structure is highly optimized; key weak parts have been thickened to ensure premium stability and eliminate blind spots during the grouting process.
Excellent compatibility with multiple major grouting material brands, proving high versatility across diverse projects.

The cooperative casting factory has been established for more than 20 years, providing high-quality ductile iron key products such as automotive brake discs and steering brackets with long-term supporting services to many domestic and foreign manufacturers. The technical capability is strong, testing equipment is comprehensive, with a dedicated professional testing team and a perfect quality control system. Our cast iron grouting sleeve has received highly positive quality feedback from customers since its launch on the market, making it a highly recommended product.

Grout Sleeve Application Overview Production Process Flow Grouting Sleeve Structural Performance
Company Profile
Workshop Overview
Our Advantages:
Our production facility features a modern workshop area of 4,700 square meters.
A highly qualified workforce of 52 employees, including 2 senior engineers, 5 intermediate engineers, and 26 front-line technicians.
A complete production and sales system consisting of a grouting sleeve processing facility, a flattened bundle mouth sleeve processing factory, and a reliable auxiliary material product spot warehouse, delivering professional and highly efficient customer service.

Reputation and quality are our firm beliefs. Adhering strictly to national standards to guarantee construction safety is our core commitment to society. We will always take serving construction safety as our primary responsibility, wholeheartedly delivering excellent connector products for the prefabricated construction industry, and contributing our strength to the healthy and sustainable development of the sector.

Factory Facilities
Certifications
Product Quality Certifications
Packaging & Shipping
Packaging and Loading Process
FAQ
Q1: Are you a trading company or a manufacturer?
A: We are a factory and sell directly to customers at a competitive, discounted price.
Q2: How long will it take to receive the goods?
A: Usually, it takes 3-15 days, depending on the ordered quantity and specific customization requirements.
Q3: How do you ensure product quality?
A: We strictly monitor every stage of production and ensure that all products undergo 100% testing before shipment. Samples can also be shipped for confirmation, with the shipping cost covered by the buyer.
Q4: What after-sales services are available?
A: We provide continuous online technical guidance, including detailed installation and application process consultations.
Q5: What materials are used to manufacture these grouting sleeves?
A: They are made of QT600-3 high-grade spheroidal graphite cast iron (ductile iron), which has outstanding mechanical strength and excellent corrosion resistance.
Q6: What ranges of rebar diameters and specifications do you support?
A: Our standard sleeves support reinforcement diameters ranging from 12mm to 25mm. We also offer professional OEM and ODM services to fit custom engineering requirements.
Looking forward to working with you!

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