Tenders for Supply of 1 1/4 Angle Cock Ball Type With Vent 1 1/4 Angle Cock Ball Type With Vent For Brake Pipe And Feed Pipe Application As Per Clws Drg. No-0/2/65/386 Alt- 6 For Wap4, Wag7, Wag9 & Wap7 Electric Locos.. 1 1/4 Angle Cock Ball Type With Vent For Brake Pipe And Feed Pipe Application As Per Clws Drg. N O-0/2/65/386 Alt- 6 For Wap4, Wag7, Wag9 & Wap7 Electric Locos. Warranty Period: 30 Months After The D Ate Of Delivery