bids are invited for gun metal gate valves - bhel , gate valve gm 20 mm , gi elbow 15mm , gi nipple 15 x 300mm , gi pipe medium grade 15mm , gi plug 15mm , gi socket 15mm , gi tee 15mm , gi union 15mm , water storage tank pvc 1000 ltrs , water storage tank pvc 500 ltrs , float valve cast brass 15mm , gi nipple 20 x 250mm , gi nipple 20 x 50mm , gi nipple 25 x 100mm , gi plug 25mm , gi elbow 40mm , gi elbow 50mm , gi nipple 15 x 250mm , gi reducing elbow 50 x 40mm , gi socket 40mm , gi socket 50mm , gi tank nipple 15mm , gi tank nipple 20mm , gi tank nipple 25mm , gi tee 40mm , gi tee 50x25mm , gi union 40mm , gi union 50mm total quantity : 1047