| The Standard® Series of Bolted Mechanical Fittings are manufactured in our own factories under quality management system in accordance with ISO 9001:2008. Body and End Rings Ductile Cast Iron to BS EN 1563 Grade GJS450-10 T-Bolts and Nuts to BS EN 20898-1 Grade 4.8 Gaskets EPDM: to BS2494 type W&D Suitable for Potabale Water, Sewage and Chemicals (not suitable for Petroleum Products). Suitable Temperature Range: -40℃ to +90℃. NBR: to DIN3535-3 Suitable for Natural Gas and Petroleum Products (not suitable for Potable Water). Suitable Temperature Range: -20℃ to +100℃. Lock Rings and Washers Acetal Copolymer (POM-K) Grade Celcon® M90 or equivalent. Coating Body and short T-bolts are Epoxy Powder Coated in WRAS Approved Material. T-Bolts and nuts are protected by Cathode Electrophoresis Coating against corrosion. Coating Thickness for Cathode Electrophoresis: ≥20±5μ Coating Thickness for Epoxy Powder Coating: ≥150μ |