Basic Info

Transport Package:Non-fumigation Wooden Box
Specification:As request
Trademark:Fengchi
Origin:China
HS Code:8481804090

Product Description

Rubber sleeve is the most important component for any type of pinch valves, it is the core of pinch valve.

Rubber sleeve provides corrosion & wear resistance, and pressure bearing capacity. The quality of pinch valve is as good as the quality of its sleeve.

Technical specifications

Size range: 15~2000mm ,1/2~80in

Pressure grade: 1~10Mpa

1:2 safety factor, which means bursting pressure is 2 times higher than the operating pressure.

Analysis of construction

Inner Layer: adopt various kinds of rubber materials or formulas in order to fit for the high demanding applications involving abrasion, corrosion or high temperature, etc.

Reinforced layer: the perfect combination of synthetic rubber and synthetic fibre technology forms a unique reinforced skeleton, which enables the sleeve to bear pressure and fatigue.

Outer layer: Using Natural Rubber to protect and reinforce the flexure resistance of valve sleeve.

Opening tags: the middle part of the outer layer is equipped with opening tags to solve the problem of fixation and tensile strength of the inner sleeve and actuator, also to ensure full opening of valves in all process conditions.

Handmade

Each pinch valve sleeve is handcrafted by professionally trained personnel, each sleeve is affixed with labels, which contains relevant parameters and numbers in order to provide a basis for quality traceability.

Material, features and matching process conditions

SBRT	Severe wear high-frequency operation	-40~+110℃	Abrasive material, weak acid, weak base and other chemical media
EPDM	Chemical applications Applicable to 75% of all industrial chemical applications	-40~+120℃	Concentrated and oxidizing chemicals
NR	Strong abrasive and corrosive conditions	-40~+75℃	Abrasive materials. Weak acid, weak base and other chemical media
NRF	foodstuff applications Compliant with FDA (Food & Drug Administration ) requirements.	-40~+75℃	Media used in food and other alcohol used in CIP (clean-in-place) processes.
NRL	Strong abrasive and corrosive conditions (including slurries )	-40~+75℃	Abrasive pulp such as ore pulp. Weak acid, weak base and other chemical media
NBR	suitable for oil and aliphatic hydrocarbons	-30~+100℃	Oil, fat, fuels, Hydrocarbons, Lubricants, etc.
NBRF	Applications of fatty foodstuff, compliant with FDA (Food & Drug Administration ) requirements	-30~+100℃	Vegetable and animal oils and fats
HNBR	high temperature applications	-30~+160℃	Oils, fats, fuels, Hydrocarbons, Lubricants, etc.
CR	Applications of special-purpose chemicals. Resilient to Ozone and bad weather.	-30~+100℃	Chemicals, acids, several solvents, fatty oils, greases, lubricants.
FPM	Applications of special-purpose chemicals. Resilient to Ozone and bad weather.	-20~+120℃	Chemicals, fatty oils, aromatic and halogenated hydrocarbon.
CSM	Applications of special-purpose chemicals. Resilient to Ozone and bad weather.	-40~+100℃	Chemicals, acids, several solvents, fatty oils, greases, lubricants.
IIR	Applications of special-purpose chemicals. Impermeable to gas.	-40~+100℃	Concentrates and Acidic Chemicals. Vegetable oils.
PU	Process conditions of abrasive mediums.	-10~80℃	Abrasive materials, dilute chemicals, hydrocarbon oils, lubricating oils.

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