Handpump,EDWP,INDIA MK II,Variant 2,OPEN

General Description:
Hand pump set, Extra Deep Well Pump (EDWP) - INDIA MARK II-Extra Deepwell type (SKAT), Package VARIANT No. 2 - with OPEN CHOICE for selection of Standard Stand, handle counter weights, materials and cylinder installation depth options.

This is the Variant 2 package for Extra Deep Well hand Pump (INDIA MK II type) which differs from the Recommended ordering package S0009315 by having open selection of Telescopic or Normal Stand with appropriate counter weights, and/or individual selection of installation depth for cylinder installation depth of 48 to 90 metres, including material selection of rods and risers.

Technical Specifications:
Complete Extra Deepwell Hand Pump - EDWP (as specified by the Bureau of Indian Standards, IS:15500-2004), also known as INDIA MARK II Extra Deepwell hand pump (by SKAT International Specifications Rev.2 - 2007), and sometimes as Mark II EDW, for cylinder installation depth of 40 meters to 90 meters, with:
"Head, Handle, Water Tank, EDWP Standard Stand (Normal or Telescopic)
"EDWP Cylinder
"Riser pipes of either PVC, Stainless Steel or of other available materials
"Connecting Rods of either Stainless Steel (12 or 10.8 mm), FRG, or other available materials.

The EDWP/India Mark II-Extra Deepwell hand pump features essentially the same equipment as the SDWP/India Mark II pump type, but a number of components have been reinforced.

The pump type is suitable for pumping water up to 80 meters, and this description covers the option between 48 meters and 90 meters cylinder installation depth:

Supplied with:
1 x Head Assembly - EDWP (with handle Counter Weights and T-bar Handle assembly)
(Number of counter weights is standard defined by the installation depth, see hereunder*) - else Country Office must specify whether one, two or three counter weights are required).

1 x Water Tank - Normal (with 32mm pipe Socket)
1 x Third Plate
1 x Telescopic or Normal Stand - EDWP (Country Office must specify stand type)
1 x Cylinder assembly - EDWP

- 15 to 30 x RISER PIPES, in 3 meter length (tolerance +0/-25mm)
either from Stainless Steel, AISI 304, 38 mm OD, ID 34 mm, WT 2mm, with welded female threaded seamless socket on one end and welded male threaded seamless socket on the other end with threaded plastic protector.
- or from UPVC with or without Stainless Steel couplings
- or from other available materials and designs
(Nos. of riser pipes to be specified when ordering).

- 15 to 30 x Connecting RODS, 3 m long, (Country Office must specify number of rods, which should be same as for riser pipes);
- either
from Stainless Steel, 12 mm dia and as per IS 15500:2004 (Refer clause 5.2 of the code);
- or (recommended) SS rod with diameter of 10.8 mm, SS as per AISI 304 grade (IS:6603 Gr4 CrNi 18 10) with M12 Stainless Steel roll treaded couplings (male/Female) welded;
- or from fiber reinforced FRG, 10 mm dia. with friction jointed threaded male/female Stainless Steel couplers and with rod centralizers (ref. : SKAT HTN Afridev HP spec.);
- or from other available materials and designs
(Nos. of rods to be specified when ordering).

1 set Spare part kit***) sufficient for 2 years of operation.
1 set Installation and Maintenance manual.

Note: Riser pipes and connecting rods for deeper installations up to a recommended maximum depth of 80m, the range must however not exceed the maximum installation depth of 90m.

*) Guideline for
No. of Weights on Handle for EDWP Cylinder Setting:

- None – up to 60 meters depth
- 1 - from 60 m to 70 meters
- 2 - from 70 m to 80 meters
- 3 - from 80 m to 90 meters


***) Spare part kit details see Catalogue No. S0009318

Packaging and labeling:
The pumping set packaging depends on the shipment type.
Reference, as per Annex C: Clause 12.1 of Part 1 of IS 15500:2004, Recommended Packaging Procedure.



Shipping Details:
Sea shipment: Wooden crate packing, steel strapped bundles in HDPE sheets for the connecting rods and the riser pipes.
Air shipment: Corrugated cardboard, jute/plastic laminated sheets, steel strapped and marked, steel strapped bundles in HDPE sheets for the connecting rods and the riser pipes.

For quick sea delivery, it is essential that the minimum quantities to be ordered correspond to one fully loaded ISO 20-foot container.

Instructions for use:
The pump type is used for pumping water from extra deep wells (40 to 90 m installation depth). This pumping set package covers an installation depth within this range, as per selcetion.

Comments:

Corrosive Water:
With mild steel risers, this pump is not recommended for corrosive water. If water is acidic (low PH), other materials like Stainless Steel or pump types like e.g. AFRIDEV or VLOM-50 PVC should be considered (see Catalogue Nos.: S0009193 (S0009188-9193 and S0009322/23 respectively).

Stand Choice:
For installation on bore wells of up to 150 mm diameter, the Telescopic Stand - EDWP should be used.
The Normal Stand - EDWP is suited for wells in the range of 100 mm to 125 mm diameter casing pipe.

Installation Depth Options:
In case of installations depths around 45 meters, please order with the fixed Pump Packages EDWP Recommended with Telescopic Stand on UNICEF Catalogue number S0009315 - or with EDWP Variant 1 with Normal Stand on UNICEF Catalogue number S0009316. These are available as Direct Ordering.

Installation Tool Kits:
It is recommended that adequate sets of Standard Tools and Special Tools (Annex D, Clause 1.3 of Part 8, Table D1, IS 15500:2004) be ordered for installation and maintenance of this hand pump (separate ordering on UNICEF Catalogue Nos. S0009332 and S0009331 respectively).

Depending on the density of hand pumps in a given area, the installation and maintenance infrastructure and other local conditions, the number of the tool sets being ordered could vary between one set of each type of tools for every 50 pumps to 250 pumps.

Fishing Tools, Etc.:
Similarly, sets of fishing tools for retrieving dropped below-ground components could be ordered at the rate of one each of these items per 25 hand pumps, like platform shuttering set and masonry tool set could be ordered at the rate of one each of these items per 250 to 500 hand pumps, all depending on local conditions (separate ordering on UNICEF Catalogue Nos. S0009182 or S0009187 depending on kit content).



Related products:
S0009331, S0009332, S0009317, S0009318, S0009319, S0009182, S0009186, S0009187.