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SaundersMaterials of Construction Valve Body Linings

IDV/023/01/04.9

9

IndustrialDiaphragm Valves

Lining Material Valve Body Range Applications ApprovalsMaterial Availability

Hard Rubber HRL Cast iron and Type A, K and KB Temperature range -30 to WRC for potable(Ebonite), sulphur cured, cast carbon steel.* flanged DN 20 to 350 85C (-22 to 185F) water (UK).black reinforced. (3/4" to 14"). Used for salts in water,

dilute mineral acids,chlorine water, deionisedwater, plating solutionsand potable water.

Hardness 75-85 Shore D.Tensile strength 27.6 MPa min.

Soft Natural Rubber AAL Cast iron and Type A, K and KB Temperature range -30 toPolyisoprene, sulphur cured, cast carbon steel.* flanged DN 20 to 350 85C (-22 to 185F)brown pigmented. (3/4" to 14"). Excellent abrasion resistanc

for powders and slurries suchas clays, cement, coal, gypsum.

Hardness 40-46 IRHD.Tensile strength 13.8 MPa min.

Soft Butyl Rubber BL Cast iron and cast Type A, K and KB Temperature range -40 toBased on isobutylene isoprene carbon steel.* flanged DN 20 to 350 110C (-40 to 230F)(IIR), sulphur cured, black (3/4" to 14"). Good for corrosive andreinforced. abrasive slurries, mineral

acids and acidic slurries.Hardness 60-66 IRHD,Tensile strength 8.3 MPa min.

Soft Polychloroprene Cast iron and Type A, K and KB Temperature range -30 toRubber NL cast carbon steel.* flanged DN 20 to 350 105C (-22 to 220F)Sulphur cured, black (3/4" to 14"). Used on abrasives and

reinforced. minerals processing wherehydrocarbons are present.

Hardness 72-78 IRHD.Tensile strength 5.5 MPa min.

Glass Dark blue acid resistant Cast iron. Type A, K and KB Temperature range 5 to Approved forborosilicate vitreous enamel. flanged DN 15 to 350 175C (40 to 345F) foods and

(1/2" to 14"). Used in multiprocess pharmaceuticals.chemical plant on acids andsolvents. Not suitable forcaustic alkalies or commercialmineral acids containingfluoride salt impurities,also not suitable wheretemperature cycing occurs.

* Halar Co polymer of Cast iron Type A, K and KB Temperature range -10 to WRC potableethylene and chlorotri- flanged DN 15 to 350 150C (15 to 300F) water UK.fluoroethylene. (1/2" to 14"). Used for concentrated acidsElectrostatically applied and salts containingcoating. hydrocarbon impurities.Tensile strength 4.8 MPa. Not suitable for dilute acids

and salts near the boiling point,also poor resistance to abrasives.

* Check for availability over the full size range.

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Lining Material Valve Body Range Applications Approvals

Material Availability

* Rilsan - Nylon 11 Cast iron. Type A, K and KB Temperature range -20 to DVGW potablegrey pigmented. flanged DN 15 to 80C (-5 to 175F). water Germany.Fluidised bed powder 350 (1/2" to 14"). Used on potable (drinking)coating. water and associated

services of watertreatment chemicals.

Tensile strength 39

47 MPa at break.

Polypropylene PP Spheroidal graphite Type A DN 20 to Temperature range -20 to WRC potableisotactic grade. iron (SG). 150 (3/4" to 6"). 85C (-5 to 185F). water UK.

Sometimes referred Main applications include Food use UK,to as Nodular Iron. mineral acids, salts in water, France and

water and effluent Germany.treatment chemicals.

Hardness 67 Shore D,Density 0.912 g/cm3.

Polyvinylidene fluoride Spheroidal graphite Type A DN 20 to Temperature range -20 to FDA, WRC PVDF iron (SG). 150 (3/4" to 6"). 130C (-5 to 265F). potable water UK.Black pigmented. Sometimes referred Formulated for chlorine and

to as Nodular Iron. inorganic chlorine compounds,good resistance to acids

and salts. Not suitablefor alkalies and carbonates.Also suitable for abrasives.

Tensile strength 40 MPa,Hardness 80 Shore D.

Ethylene tetrafluoroethylene Spheroidal graphite Type A DN 20 to Temperature range -20 to Approved forcopolymer ETFE iron (SG). 150 (3/4" to 6"). 150C (-5 to 300F). food use France.pigmented red. Sometimes referred Suitable for strong acids, salts WRC potable

to as Nodular Iron. in water at higher water UK.temperatures, solventsat medium temperature.

Tensile strength 52 MPa.

Polytetrafluoro alkoxy PFA Spheroidal graphite Type A DN 20 to Temperature range -20 toNatural colour. iron (SG). 150 (3/4" to 6"). 175C (-5 to 255F).

Sometimes referred Most suitable for concentatedto as Nodular Iron. mineral acids at high temperature,

aromatic and aliphatic andchlorinated solvents.

Tensile strength 20-30 MPa.

Polytetrafluoro ethylene Cast iron Type A DN 125 to Temperature range -20 to FDA approvedPTFE. 250 (5" to 10"). 175C (-5 to 255F).

Most suitable for concentatedmineral acids at high temperature,aromatic and aliphatic andchlorinated solvents.

Tensile strength 32 MPa.

* Rilsan - Trade name ATO Chem Products UK Ltd* Halar - Trade name of Ausimont UK Ltd

Crane Process Flow Technologies Ltd

Grange Road, Cwmbran, Gwent, U.K. NP44 3XX

Tel: +44 1633 486666

Fax: +44 1633 486777

www.craneflow.com

Printed in the UK.

Due to constant product improvements, details shown on this data sheet are subject to change.