Product Name: Seamless Steel Gas Cylinders 40 Liter with Cylinder Caps Model NO.: WMA219-40-15 Water Capacity: 40 Liter Color: Black Mat.: 37mn Manufacturing Std.: ISO9809-3 Trademark: CBM-Tech Transport Package: Ctns(Negotiable) Specification: ISO9809-3 Origin: Ningbo, China HS Code: 73110090 Product Description Seamless Steel Gas Cylinders 40 Liter with Cylinder Caps. (W/O Cylinder Caps)Specs:-1). Water capacity: 40 Liter; Mat.: 37Mn;OD= 219 mm; W. P/T. P.: 15/25Mpa; Wall thickness: 5.7 mm; G. W.: ~47kg;Height: 1, 345 mm (W/O cylinder cap); Gas(O2): 6M3.-2). Color: As black preferred;-3). Connecting thread:-4). Applied standard: ISO 9809-3;-5). Packing: Each with nylon bag or as preferred(based on bilateral agreement).Being a professional manufacturer of gas cylinders, we can produce high-quality seamless steel gas oxygen cylinders from 2L to 68L with different stadard specifications as per your kind request(s). If any interests or some more info needed, pls feel free to contact us!Type Outside Diameter OD. (mm)Water Capacity (L) Height (W/O valve) (mm)Weight (without valve cap)W(kg)MaterialStandardWMA108-1.4-151081.42382.9637MnGB5099-3WMA108-2-151082.03203.75WMT108-2-151082.03173.72WMA121-3.2-151213.23905.02WMT121-3.2-151213.2385.84.98WMA121-4-151214.04856.16WMT121-4-151214.04705.95WMA140-4-151404.03725.77WMA140-5-151405.04587.52WMA140-6.3-151406.35248.72WMA140-7-151407.05939.84WMA140-8-151408.067110.72WMA140-10-151401084513.4WMA152-7-151527.05289.57WMA152-8-151528.060010.66WMA152-10-1515210.072612.6WMA159-10-1515910.068514.15WMA159-12-1515912.080016.34WMA159-15-1515915.097519.66WMA219-20-1521920.073029.00WMA219-40-1521940.0131048.00WMA232-40-1523240.0122050.00WZA232-47-1523247.0136051.00WMA219-50-1521950.0160057.00WMA232-50-1523250.0138065.00IWGA219-40-1521940.0138052.0034CrMo4ISO9809-3IWGA232-40-2023240.0117052.00IWGA232-47-2023247.0136055.00IWGA232-50-2023250.0144056.00Notes: -1)...WMA-Concave Bottom WMT-Convex Bottom; -2). Hydraulic test pressure: 25Mpa or 30Mpa; -3). Working test pressure: 15Mpa or 20Mpa; -4). Various types of gas cylinders accessaries, say gas cylinder valves, cylinder caps, gas regulators can be optional.