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Rubber gate seals

Rubber gate seals are an essential component of rubber gates, specifically designed to seal and prevent the leakage of liquids or gases. Typically installed between the gate leaf and the gate frame, between gate leaves, and between the gate leaf and bottom sill, the seals effectively fill gaps to prevent media from leaking through the gate seams, ensuring the sealing performance of the gate. With its excellent elasticity and deformation capability, the seal can closely fit the contact surfaces of the gate, forming a reliable sealing barrier that allows for precise control of water, gas, and other media when the gate is closed, ensuring the stable operation and safety of the entire system.

Door frame

Door leaf and door frame

Rubber gate seal at the junction of the riverbank railing and the brick surface

Handrail and brick surface joint

Specifications

Product type: Rubber gate seals
Material: Natural rubber/EPDM/Neoprene
Hardness (Shore A): 40° – 75°
Tensile strength: 15 MPa
Size:
- Diameter: 30 mm, 40 mm, 45 mm, 60 mm,etc
- Width: 80 mm, 90 mm, 100 mm, 110 mm, 120 mm,etc
- Thickness: 10 mm, 15 mm, 20 mm, 25 mm, etc

Dimensions of five different styles of rubber gate seals

Rubber gate seals drawing

Table 1: Rubber Gate Seals Material Specifications
Physical Tests	Specifications	Natural 1103	Natural 1177	Natural 1187	Neoprene 1501
Tensile Strength	Die C ASTM D412	3000 psi (min)	2500 psi (min)	2500 psi (min)	2500 psi (min)
Elongation at Rupture	ASTM D412	450% (min)	450% (min)	400% (min)	400% (min)
300% Modulus	ASTM D412	900 psi (min)	900 psi (min)	–	900 psi (min)
Durometer Hardness, Shore Type A	ASTM D2240	60–70	45±5	50–60	60–70
Water Absorption	70 Hrs. @ 212°F ASTM D471	10% change in volume (max)	10% by weight (max)	10% by volume (max)	10% by weight (max)
Compression Set	ASTM D395 Method B 22 Hrs/ @ 158°F	30% (max)	30% (max)	25% (max)	30% (max)
Tensile Strength after Oxygen Bomb Aging	ASTM F572	80% (min) of tensile strength	80% (min) of tensile strength	–	80% (min) of tensile strength
Low Temperature Brittleness	ASTM D2137 Method A, 9.3.2	Non-Brittle after 3' @ -40 °C	Non-Brittle after 3' @ -40 °C	Non-Brittle after 3' @ -40 °C	Non-Brittle after 3' @ -25 °C

Category

P Gate Seal

Double P Gate Seal

Omega Gate Seal

Hump Gate Seal

Double Hump Gate Seal

Flat Gate Seal

Lip Gate Seal

Features

Strong Sealing. It ensures reliable water retention and flow control.
Durable Material. Made of high-quality rubber, it offers excellent resistance to wear.
Flexibility. It maintains flexibility under different pressure and temperature conditions.
Weather resistance. It offers excellent performance against ozone, UV exposure, and extreme weather conditions.
High tensile strength. It can withstand significant mechanical stress without deformation.
Customizable design. Available in various sizes, profiles, and materials to suit specific applications.

Applications

Dams and sluice gates. Ensure effective water level management and flow control.
Water treatment plants. Provide reliable sealing solutions for reservoirs, treatment facilities, and pumping stations.
Irrigation. Optimize water distribution and minimize losses to enhance agricultural efficiency.
Fish passage. Create safe pathways for aquatic life while maintaining water control.
Flood control project. Provide solid protection for flood prevention.
Hydropower generation. Enhance the efficiency of water energy utilization and promote sustainable energy development.

Dams and sluice gates

Water treatment plants

Hydropower generation

Contact Us

Hengshui Jingtong Rubber Co., Ltd.

Development zone, South Wang zhuang, Pengdu, Hengshui, Hebei, China.
+86-318-52275227
+86-15731809416
TradingNancy
sales@jointwaterstop.com

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